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File Extensions

Basic Troubleshooting Steps Beep Codes
Computer Ports / Connectors  New Computer Security Threats  New
CPU Types and Specifications DVD Formats  New
File Extensions File Size Conversion Table
HTTP Status Messages IBM Diagnostic Codes
Linux Reference Guide  New Maximum Dedicated Bandwidths
Memory Styles and Types Modem AT Commands, S Registers and RS-232C pins
OSI Network Model Partition Size vs. Cluster Size
RAID Levels Explained  New Regular Expressions  New
Shortcut Keys Standard DMA, I/O and IRQ Assignments
TCP and UDP Port Numbers Technology Reference Cards
Windows XP TCP/IP Utilities - Netsh  New Wireless Networking Standards

[ # | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ~ ]

ExtData Formats
.#24Printer data file for 24 pin matrix printer (LocoScript)
.#ibPrinter data file (LocoScript)
.#scPrinter data file (LocoScript)
.#stStandard mode printer definitions (LocoScript)
.$#!Cryptext
.$$$Temporary file
.000Compressed harddisk data (DoubleSpace)
.001Fax (many)
.07575x75 dpi display font (Ventura Publisher)
.08585x85 dpi display font (Ventura Publisher)
.09191x91 dpi display font (Ventura Publisher)
.09696x96 dpi display font (Ventura Publisher)
.0bPrinter font with lineDraw extended character set (PageMaker)
.1Roff/nroff/troff/groff source for manual page (cawf2.zip)
.113Iomega Backup file
.123Lotus file
.15uPrinter font with PI font set (PageMaker)
.1stUsually README.1ST text
.2d2d Drawings (VersaCad)
.2dl2d Libraries (VersaCad)
.3d3d Drawings (VersaCad)
.3dl3d Libraries (VersaCad)
.301Fax (Super FAX 2000 - Fax-Mail 96))
.386Intel 80386 processor driver (Windows 3.x)
.3dsGraphics (3D Studio)
.3fxEffect (CorelChart)
.3gpMultimedia File
.3grData file (Windows Video Grabber)
.3koNGRAIN Mobilizer
.3t4Binary file converter to ASCII (Util3)
.411Sony Mavica Data file
.4c$Datafile (4Cast/2)
.4sw4dos Swap File
.4thForth source code file (ForthCMP - LMI Forth)
.5crPreconfigured drivers for System 5cr and System 5cr Plus
.669Music (8 channels) (The 669 Composer)
.6cmMusic (6 Channel Module) (Triton FastTracker)
.8A86 assembler source code file
.8cmMusic (8 Channel Module) (Triton FastTracker)
.8mPrinter font with Math 8 extended character set (PageMaker)
.8uPrinter font with Roman 8 extended character set (PageMaker)
.aAda source code file
Library (unix)
.a11Graphics AIIM image file
.a2bA2B Player Playlist
.a3dAmapi 3D Modeling file
.a3mUnpackaged Authorware MacIntosh file
.a3wUnpackaged Authorware Windows file
.a4aAuthorware 4.x Library
.a4mUnpackaged Authorware MacIntosh file
.a4pAuthorware file packaged without runtime
.a4wUnpackaged Authorware Windows file
.a5wUnpackaged Authorware Windows file
.aabMacromedia Authorware Binary
.aamAuthorware shocked file
.ab2Parson\'s Address Book
.ab6Datafile (ABStat)
.ab8Datafile (ABStat)
.abaPalm Address Book file
.abcABC FLOWCHARTER 1.x flowchart
ABC2K Audio/Video Controller Software
.abdAmBiz Bonus Calculator data file
Adventure Builder database
.abfAdobe Binary Font
.abkAutomatic backup file (CorelDRAW)
.abmImagePals Photo Album Document
Montage Photo Album file
PhotoPlus Album file
.absAbstracts (info file)
Data file (Abscissa)
MPEG audio sound file
.abwAbiWord document
.abxWordPerfect Address Book file
.ac3AC3 Audio File Format
.acaMicrosoft Agent Character file
Project (Project Manager Workbench)
.acbGraphics (ACMB)
.accProgram (DR-DOS - ViewMax) (GEM / resident)
.acdSonic Foundry Acid music file
.aceAce Archiver compressed file
.acfMicrosoft Agent Character file
Adobe Photoshop Custom Filter
.aciACI Development Appraisal
.aclDocument file (Audit Command Language)
.acmAudio Compression Manager Driver
Photoshop command button
Windows system file
ACBM image file
Interplay compressed Sound file
.acsMS Agent Character file
.actActor source code file
Foxdoc Action Diagrams (FoxPro)
Presentation (Action!)
.acvOS/2 Audio Drivers
Photoshop Saved Curve
.adScreen saver data (AfterDark)
.adaAda source code file
.adbAda Package Body
.adcBitmap graphics (16 colors) (Scanstudio)
.adfAdapter Description file
Admin Config file
Amiga Disk File
Dog Creek QC Mask file
.adiGraphics (AutoCAD)
.adlMca adapter description library (QEMM)
.admAfter Dark Screen Saver Module
Windows Policy Template
Addict Compiled Dictionary
Advantage Data Server Database Memo file
.adnAdd-in (Lotus 1-2-3)
.adoPhotoshop Duotone Options
Stata Program
.adpFaxWorks Modem setup file
Astound Dynamite file
MS Access Project
AOLserver Dynamic Page file
.adrAddress Book
Address Plus Database
After Dark Random Screen Saver Module
Opera Web Browser Bookmark file
Smart Address Address Book
.adsAda Package Specification
.adtDatafile for cardfile application (HP NewWave)
Fax (AdTech)
.adxDocument (Archetype Designer)
.adzGZ-Packed Amiga Disk file
.aehiPer Advanced Embedded Hypertext
.aexPGP Armored Extracted Public Encryption Key
.af2Flowchart (ABC FlowCharter 2.0)
.affAnyForm Form file
.afiTruevision bitmap graphics
.aflFont file (for Allways) (Lotus 1-2-3)
.afmType 1 font metric ASCII data for font installer (ATM - many)
Datafile for cardfile application (HP NewWave)
.aftAnyForm template file
.agpAspen Graphics Pages
.agwAspen Graphics Windows
.aiVector graphics (Adobe Illustrator)
.aiffAudio interchange file format
.ainCompressed file archive created by AIN
.aioAPL file transfer format file
.airAutomatic Image Registration
.aisArray of Intensity Samples graphics (Xerox)
.aixDatafile for cardfile application (HP NewWave)
.albJASC Image Commander Album
Photo Soap2 file
Steinberg Cubase or VST Backup Song file
.albmwebAlbum Photo Album
HP Photosmart Photo Printing Album
.allFormat file for working pages (Always)
General printer information (WordPerfect for Win)
Symbol and font files (Arts & Letters)
.alsAlias Image
Calmira Shortcut file
.altMenu file (WordPerfect Library)
.alzALZip Compressed file
.amfMusic (Advanced Module Format)
.amgCompressed file archive created by AMGC
System image file (Actor)
.ampPhotoshop Arbitrary Map Settings
.ancAnimation file format (MorphInk)
.aniAnimation (Presidio - many)
.anmAnimation (Deluxe Paint Animator)
.annHelp Annotations (Windows 3.x)
.ansAnsi graphics (character animation)
Ascii text ANSI character set (NewWave Write)
.aosAdd-On Software (Nokia 9000)
.apCompressed Amiga file archive created by WHAP
Datafile (Datalex EntryPoint 90)
Artwork Systems Program (ArtPro)
.apcPrinter driver (Lotus 1-2-3)
.apdPrinter driver (Lotus 1-2-3)
.apeMusic format (different players)
.apfPrinter driver (Lotus 1-2-3)
.apiPassed parameter file (1st Reader)
Printer driver (Lotus 1-2-3)
.aplAPL work space format file
.apmArcPad 6 file
.appAdd-in application file (Symphony)
Application object file (dBASE Application Generator)
Executable application file (DR-DOS - NeXTstep - Atari)
Generated application (FoxPro)
.aprEmployee performance review (Employee Appraiser)
.apsMS Visual C++ file
ArcPad 5 Symbology file
.apxAppexpert database file (Borland C++ 4.5)
.arcCompressed file archive created by ARC (arc602.exe/pk361.exe)
Compressed file archive created by SQUASH (squash.arc)
.arfAutomatic Response file
.argAutoCAD Profile Export file
.ariCompressed file archive created by ARI
.arjCompressed file archive created by ARJ (arj241.exe)
.arlAOL Organizer File
.arkArc file archive created by CP/M port of ARC file archiver
Compressed file archive created by QUARK
.arrArrangement (Atari Cubase)
.arsAdobe After Effects Render
.artGraphics (scrapbook) (Art Import)
Raster graphics (First Publisher)
.arvArsiv File
AutoRoute User Information
.arxCompressed file archive created by ARX
.asaMS Visual InterDev file
Active Server Document
.ascAscii text file
Transport armor file (PGP)
.ascxMicrosoft ASP.NET user control file
.asdAutosave file (Word for Windows)
Presentation (Astound)
Screen driver (Lotus 1-2-3)
.asfDatafile (STATGRAPHICS)
Screen font (Lotus 1-2-3)
.ashAssembly language header file (TASM 3.0)
.asiAssembler include file (Turbo C - Borland C++)
.aslAdobe Photoshop Layer file
.asmAssembly source code file
Pro/Engineer Assembly file
.asmxMicrosoft .NET Web Service file
.asoAssembler object (object orientated) file (Turbo Assembler)
.aspMicrosoft Active Server Page
Aspect source code file (Procomm Plus)
Association of Shareware Professionals OMBUDSMN.ASP notice
.aspxMicrosoft ASP.NET file
.asrMs Automap Route
Photoshop Scratch Area
.asxMicrosoft Windows Media Active Stream Redirector file
HTML Active X script
AMX Axcess control system file
.at2Auto template (Aldus Persuasion 2.0)
.atmAdobe Type Manager data/info
.atnAdobe Photoshop Action file
.atrLightscape Material Library
.attAT&T Group 4 Bitmap
.auSound (audio) file (SUN Microsystems)
.audAudio file
.autAutoIt Script
PocketWear Car Lease Kit vehicle data file
TLG Workplace CD search file
Xitami Webserver Admin Password file
GPSMan-autoMapic file
Signwave Auto-Illustrator file
Descent Manager Mission file
Authentication file (various)
Interactive Pictures iPIX Format
.auxAuxillary references (TeX/LaTeX)
Auxiliary dictionary (ChiWriter)
.avaPublication (Avagio)
.avbInoculan Anti-Virus virus infected file
Microsoft Chat character file
.avdAvery Label Pro Data file
.aviAudio Video Interleaved animation file (Video for Windows)
.avsAnimation file
Application Visualization System Format
Stardent AVS-X image
Winamp Advanced Visualization Studio file
.avxArcView file
.awText file (HP AdvanceWrite)
.awbLavasoft Ad-aware backup file
.awdAWD MS Fax
Award BIOS file
AWK Language Source Code file
.aweAdobe Acrobat Bookmark XML file
.awkAwk script/program
.awmMovie (Animation Works)
.awrTelsis Digital Audio file
.awsData (STATGRAPHICS)
.axDirectShow Filter
.axdAvery Label Pro Re-Index file
Actrix Technical file
.axeParadigm C++ Integrated Debugger file
ChordMaster
MS Autoroute export file
.axgMS Autoroute Trip file
.axlArcIMS XML Project file
.axsAMX Axcess control system file format
.axtZenWorks snAPPshot ASCII Application Object template
Photoshop Replace Color/Color Range
.axxaxxess files used as backups of Inter-Tel databases
.azzAZZ Cardfile
.bBatch list (APPLAUSE)
.b&wBlack and white graphics (atari - mac)
.b~kbackup file
Mono binary screen image (1st Reader)
.b16PCO Graphic file
.b1nBoth mono and color binary screen image (1st Reader)
.b1sBooksmith
.b30Printer font (JLaser - Cordata) (Ventura Publisher)
.b3d3D Builder file
.b8Raw graphics (one byte per pixel) plane two (PicLab)
.b_wBlack and white graphics (atari - mac)
.badBad file (Oracle)
.bagPMMail Mail Index file
OS/2 Netfinity Manager Sysinfo file
AOL Instant Messenger file
.bakBackup file
.balMusic score (Ballade)
.banSierra Print Artist Banner
.barHorizontal bar menu object file (dBASE Application Generator)
.basBasic source code file
.batBatch file (DOS)
.bbDatabase backup (Papyrus)
.bblBibliographic reference (TeX/BibTeX)
.bbmBrush (Deluxe Paint)
.bbsBulletin Board System announce or text info file
.bcfConfigSafe Snapshot index
The Sims (Maxis) File
.bchBatch process object file (dBASE Application Generator)
Datafile (Datalex EntryPoint 90)
.bckBackup
.bcmMS Works Communications file
.bcnBusiness Card Pro Design
.bcoOutline font description (Bitstream)
.bcpBorland C++ makefile
.bctBusiness Card Designer template
.bcwEnvironment settings (Borland C++ 4.5)
.bdeBorland Database Engine
.bdfBitmap Distribution Format font file (X11)
Datafile (Egret)
.bdrBorder (MS Publisher)
.bezOutline font description (Bitstream)
.bf2Bradford 2 font
.bfmFont metrics (unix/Frame)
.bfxFax (BitFax)
.bgaBitmap graphics
.bgtQuicken 2002 Internet Common File
.bgiBorland Graphics Interface device driver
.bglFlight Simulator scenery file
.bgtQuicken 2002 Internet Common File
.bibBibliography (ASCII)
Database - not compatible with TeX format (Papyrus)
Literature database (TeX/BibTeX)
.bicCivilization III Scenario
.bidBidMaker 2002 file
.bifBinary Image Format b&w graphics (Image Capture board)
.bikBioCharter Profile backup file
Bink Game video file
.binBinary file
.bioOS/2 BIOS
.bitBitmap Image
Worms Armageddon Imported Map
Worms World Party Imported Map
.bkFaxbook (JetFax)
.bk!Document backup (WordPerfect for Win)
.bk1Timed backup file for document window 1 (WordPerfect for Win)
.bk2Timed backup file for document window 2 (WordPerfect for Win)
.bk3Timed backup file for document window 3 (WordPerfect for Win)
.bk4Timed backup file for document window 4 (WordPerfect for Win)
.bk5Timed backup file for document window 5 (WordPerfect for Win)
.bk6Timed backup file for document window 6 (WordPerfect for Win)
.bk7Timed backup file for document window 7 (WordPerfect for Win)
.bk8Timed backup file for document window 8 (WordPerfect for Win)
.bk9Timed backup file for document window 9 (WordPerfect for Win)
.bkfMicrosoft Backup file
.bkgBackground file
UWXAFS Binary Format Data file
.bkpBackup file (Write - TurboVidion DialogDesigner)
.bkwMirror image of font set (FontEdit)
.blbDreamWorks Resource Archive
.bldBloadable picture (BASIC)
.blendBlender 3D file
.blkTemporary file (WordPerfect for Win)
Lightscape Block Library
Alias Wavefront Image
VersaPro Block
.bltSaved AIM Buddy List file
Wordperfect for DOS file
.bmBitmap graphics
.bmfCorel Image file
.bmi3ds max Executable
.bmkHelp Bookmarks (Windows 3.x)
.bmpBitmap graphics (PC Paintbrush - many)
.bmxBuzz music file
.bndTypequick file
.bnkAdlib instrument bank file
.bobBobDown Downloading Program
Bob Raytracer
.bomMicroSim PCBoard Bill of Materials
Orcad Schematic Capture Bill of Materials file
Softshare Delta Business Object Model
.booCompressed file ASCII archive created by BOO (msbooasm.arc)
.bookAdobe FrameMaker Book
.boxMyriad Jukebox file
Notes Mailbox
.bpcChart (Business Plan Toolkit)
.bplDelphi Library
.bptBitmap fills file (CorelDRAW)
.bqyBrioQuery file
.brScript (Bridge)
.brdEagle Layout file
.brfBraille ASCII file
.brkFax (Brooktrout Fax-Mail)
.brnBornoSoft Bangla2000 (a Bengali word processor) File extension
.broTree Professional Broadleaf Creator file
.brpTree Professional Broadleaf Creator image
.brtMicrografx Picture Publisher file
.brxMultimedia browsing index
.bsaCompressed file archive created by BSARC
.bsbMapInfo Sea Chart
SWAT Sub-basin Output file
.bscCompressed Apple II file archive created by BINSCII
Database (Source Browser)
Pwbrmake object file (MS Fortran)
.bslBSPlayer Configuration file
.bspHalf-life/TFC/CS Map
Quake Map
.bstBibTeX Style file
.btmBatch To Memory batch file (4DOS)
.btoBaytex Organix! 2001 Language Kit
.btrBtrieve Database file
MS Frontpage-related file
.btxDB/TextWorks Database Term & Indexes
.budQuicken Backup
.bugBugs and Problems
.bupBackup file
.butButton definitions (Buttons!)
.buyDatafile format (movie)
.bv1Overflow file below insert point in Doc 1 (WordPerfect for Win)
.bv2Overflow file below insert point in Doc 2 (WordPerfect for Win)
.bv3Overflow file below insert point in Doc 3 (WordPerfect for Win)
.bv4Overflow file below insert point in Doc 4 (WordPerfect for Win)
.bv5Overflow file below insert point in Doc 5 (WordPerfect for Win)
.bv6Overflow file below insert point in Doc 6 (WordPerfect for Win)
.bv7Overflow file below insert point in Doc 7 (WordPerfect for Win)
.bv8Overflow file below insert point in Doc 8 (WordPerfect for Win)
.bv9Overflow file below insert point in Doc 9 (WordPerfect for Win)
.bwbSpreadsheet application (Visual Baler)
.bwiBlindread/Blindwrite
.bwrBeware (buglist) (Kermit)
.bwtBlindread/Blindwrite
.bxxblaxxun Contact
.bz2Bzip 2 UNIX Compressed file
.c C source code file
Compressed unix file archive created by COMPACT
.c++C++ source code file
.c--Source code (Sphinx C--)
.c00Print file (Ventura Publisher)
.c01Genesis 2000
.c2dWinOnCD CD Image
.c4dMAXON Cinema 4D File (Graphics)
.c60Midtronics Battery Management Software
.c86C source code file (Computer Innovation C86)
.caInitial cache data for root domain servers (Telnet)
.cabCabinet File (Microsoft installation archive)
.cadSoftdesk Drafix CAD File
.cacdBASE IV executable when caching on/off (see cachedb.bat)
.cadDocument (Drafix Windows CAD)
.cagMS Clip Gallery Catalog file
.calCalendar file (Windows 3.x)
Calendar Maker Pro
Spreatsheet (SuperCalc)
.calbCoolect Album file (Coolect Album Player; www.coolect.com)
.camCasio Camera Graphic
.canFax (Navigator Fax)
.capCaption (Ventura Publisher)
Session capture file (Telix)
.carAtHome Assistant file
Carrara Environment
NeoBook Cartoon
.casComma-delimited ASCII File
.catCatalog (dBASE IV)
.cbClean Boot File (Microsoft)
Brief Macro Source Code
.cbcFuzzy logic system (CubiCalc)
.cbfCalendar Builder file
.cblCobol source code file
.cbmCompiled bitmap graphics (XLib)
.cbpCentralBuilder Project
.cbtComputer Based Training (many)
.ccC++ source code file
.ccaCC:Mail archive file
.ccbVisual Basic Animated Button Configuration
.cccBitmap graphics (native format) (Curtain Call)
.ccdCloneCd Related file
Vector CAD Program file
.cceCalendar Creator 2 Event file
.ccfCommunications configuration file (Symphony)
.cchChart (CorelChart)
.cclCommunication Command Language file (Intalk)
.ccoBtx Graphics file (XBTX)
.cctMacromedia Director Shockwave file
.ccxCorel PrintHouse file
.cdaCD Audio Track
.cdbCard database (CardScan)
Main database (TCU Turbo C Utilities)
.cdeHoneywell Hybrid Control Designer
.cdfGraphics (netcdf)
.cdiPhillips Compact Disk Interactive format
.cdkDocument (Atari Calamus)
.cdlCaseWare Working Papers Document Link
SignLab Vector Graphic
.cdmVisual dBASE Custom Data Module
.cdpCD/Spectrum Pro
.cdrVector graphics (CorelDRAW native format)
.cdtData (CorelDraw 4.0)
.cdxCompound index (FoxPro)
.ceMain.ce (The FarSide Computer Calendar)
.cegBitmap graphics (Tempra Show - Edsun Continuous Edge Graphics)
.celGraphics (Autodesk Animator - Lumena)
.cfConfiguration file (imake)
.cfbComptons multimedia file
.cfcMacromedia Coldfusion component extension
.cfgConfiguration
.cflChart (CorelFLOW)
.cfmColdFusion Markup Language (Allaire)
.cfnFont data (Atari Calamus)
.cfoC Form Object internal format object file (TCU Turbo C Utilities)
.cfpFax (The Complete Fax Portable)
.cgaCGA display font (Ventura Publisher)
.cgiCommon Gateway Interface script
.cgmComputer Graphics Metafile vector graphics (A&L - HG - many)
.chHeader file (Clipper 5)
.ch3Chart (Harvard Graphics 3.0)
.ch4Presentation (Charisma 4.0)
.chdFont descriptor (FontChameleon)
.chiDocument (ChiWriter)
.chkRecovered data (ChkDsk)
Temporary file (WordPerfect for Win)
.chlConfiguration History Log
.chmCompiled HTML
.chnData (Ethnograph 3)
.choChordPro file
.chpChapter file (Ventura Publisher)
.chrCharacter set (Turbo C - Turbo Pascal)
.chtChart (Harvard Graphics 2.0 - SoftCraft Presenter)
Interface file for ChartMaster (dBASE)
.cidAnalogX Caller ID file
.cifCaltech Intermediate Format graphics
Chapter information (Ventura Publisher)
.cilClip Gallery Download Package
.cixDatabase index (TCU Turbo C Utilities)
.ckbKeyboard mapping (Borland C++ 4.5)
.clCommon LISP source code file
.cl3Easy CD Creator Layout file
.cl4Easy CD Creator Layout file
.cl5Easy CD Creator Layout file
.clbICQ Contact List
MS Office XP Developer Code Librarian
cdrLabel Compact Disc Label
.clpClip art graphics (Quattro Pro)
Clipboard file (Windows 3.x)
Compiler script file (clip list) (Clipper 5)
.clrColor binary screen image (1st Reader)
Color definitions (Photostyler)
.clsC++ class definition file
.cmData file (CraftMan)
.cmdBatch file (OS/2)
Command (dBASE - Waffle)
External command menu (1st Reader)
.cmfFM-music file (Creative Music File)
.cmkCard (Card Shop Plus)
.cmmCmm script (batch) file (CEnvi)
.cmoVirtools Composition file
.cmpHeader file for PostScript printer files (CorelDRAW)
User dictionary (MS Word for DOS)
Bitmap graphics (Lead CMP compression)
.cmqCulturemetrics file
.cmtCulturemetrics file
.cmvAnimation (CorelMove CorelDraw 4.0)
.cmxCorel PhotoPaint Image
Corel Presentation Exchange Image
The Sims (Maxis) 3D Body Mesh Data
Apple Viewer file
.cncCNC general program data
.cndControlDraw file
Embroidery Design file
.cnfConfiguration (program - printer setup)
.cntHelpfile contents
.cnvData conversion support file (Word for Windows)
Temporary file (WordPerfect for Win)
.cobCobol source code file
.codDatafile (Forecast Plus - MS Multiplan - StatPac Gold)
Program compiled code (FORTRAN)
Template source file (dBASE Application Generator)
Videotext file
.colColor palette (Autodesk Animator - many)
Spreadsheet (MS Multiplan)
.comCommand (memory image of executable program) (DOS)
.conConfiguration file (Simdir)
.corProtein Structure file
Web GPS Correction Server Export file
WMOVIEC Input file
.cpdScript (Complaints Desk)
.cpeMS Fax Cover Sheet
.cpfFax (The Complete Fax)
.cphCorel Print House image
.cpiCode Page Information file (DOS)
Colorlab Processed Image bitmap graphics
.cplControl panel file (Windows 3.x)
Presentation (Compel)
.cpoCorel Print House file
.cppC++ source code file
Presentation (CA-Cricket Presents)
.cpsBackup of startup files by Central Point PC Tools autoexec.cps
coloured postscript files
.cptCompressed Mac file archive created by COMPACT PRO (ext-pc.zip)
Corel Photo-Paint Image
Encrypted memo file (dBASE)
Template (CA-Cricket Presents)
.cpxControl Panel Applet
Corel Presentation Exchange Compressed Drawing
.cpyCopy Books Data file
.cpzMusic text file (COMPOZ)
.crdCardfile (Windows 3.x - YourWay)
ColdRED Script file
Guitar Chord file
.crfCross-reference (MS MASM - Zortech C++)
.crhLinks Games Course file
MS Golf Image file
.crpEncrypted database (dBASE IV)
.crsFile Conversion Resource (WordPerfect 5.1)
.crtTerminal settings information (Oracle)
.crtrMulti-Ad Creator 7 document
.cruCompressed file archive created by CRUSH
.crxLinks Games Course file
.crzLinks Games Course file
.csaComma Deliminated Text
Ultimate Ride Roller Coaster
.csfVan Dyke\'s CRT/SecureCRT Script file
.csgGraph (Statistica/w)
.cshHamilton Labs C Shell Script file
.cskClaris Works
.csmPrecompiled headers (Borland C++ 4.5)
.cspPc Emcee Screen Image file (Computer Support Corporation)
.cssDatafile (CSS - Stats+)
Datasheet (Statistica/w)
.cstMacromedia Director Cast file
.csvComma Separated Values text file format (ASCII)
Adjusted EGA/VGA palette (CompuShow)
.ctcControl file (PC Installer)
.ctdCobra Track Dump
Cardtable file
Marine Data file
Simpsons Cartoon Studio Export file
.ctfCharacter code translation file (Symphony)
.ctgCartridge Definition file
ChessBase Opening Book
Canon Powershot Pro 70 Info file
.ctlControl file (dBASE IV - Aldus Setup)
Setup information
.cttLabview file
.ctxCourse TeXt file (Microsoft online guides)
Ciphertext file (Pretty Good Privacy RSA System)
.ctySimCity City file
.cueMS Cue Cards data
.cufC Utilities Form definition (TCU Turbo C Utilities)
.culWindows cursor library (IconForge, ImageForge, ImageForge PRO)
.curCursor image file (Windows 3.x)
.cutBitmap graphics (Dr. Halo)
.cv4Color file (CodeView)
.cv5Canvas version 5
.cvaCompaq Diagnostics
.cvbBorland BDE File
.cvpCover page (WinFax)
.cvrWinFax Cover Sheet
ElectraSoft Fax Cover Sheet
.cvsGraphics (Canvas)
.cvtBackup file for CONVERTed database file (dBASE IV)
.cvwColor file (CodeView)
.cwkClaris Works data
.cwzCropWalker file
.cxpCore Media Player XML-based Playlist File
.cxtMacromedia Director Protected Cast file
.cxxC++ source code file (Zortech C++)
.d00Blaster Master Pro File
AdLib Format File
.d2sCharacter file (Diablo 2)
.d3dFile Extension for Desktop-3D Notes
Compressed Draw 3D file
.d64Commodore 64 Emulator Disk Image
.datData file in special format or ASCII
Gunlok Archive
Mitsubishi DJ-1000 and Photorun Native Format
Nascar Racing Archive
SPOT Graphic
WordPerfect Merge Data
.dayJournal file
.dbConfiguration (dBASE IV - dBFast)
Database (Paradox - Smartware)
.db$Temperature debug info (Clarion Modula-2)
Temporary file (dBASE)
.db2Database (dBASE II)
.db3Database (dBASE III)
.dbaDatafile (DataEase)
.dbbANSYS Database Backup
Mopheus music file
.dbdBusiness data (Business Insight)
Debug info (Clarion Modula-2)
.dbfDatabase file (dBASE III/IV - FoxPro - dBFast - DataBoss)
Oracle 8.x Tablespace File
.dbgSymbolic debugging information (MS C/C++)
.dbkDatabase backup (dBASE IV)
.dblWindows XP Activation file
.dbmDatafile (DataEase)
Cold Fusion Template
Menu template (DataBoss)
.dboCompiled program (dBASE IV)
.dbsDatabase in SQL Windows format
Datafile (PRODAS)
Printer description file (Word - Works)
.dbtData Base Text (Clipper)
Foxbase+ style memo (FoxPro)
Memo file for database w/same name (dBASE IV - dBFast)
.dbwWindows file (DataBoss)
.dbxDatabase
DataBeam Image
MS Visual Foxpro Table
.dcaDocument Content Architecture text file (IBM DisplayWrite)
.dcfDisk image file
.dcmDCM Module Format
Dicom
.dcpData CodePage (OS/2)
.dcrKodak Proprietary Image Format
Shockwave file
.dcsBitmap graphics (CYMK format) (QuarkXPress)
Datafile (ACT! Activity Files)
.dctDatabase dictionary (Clarion Database Developer)
Spell checking dictionary (Harvard Graphics 3.0 - Symphony)
.dcxFAX Image
ElectraSoft Fax
PC-Paintbrush file
Bitmap Graphics (Multipage PCX)
Macros
MS Visual Foxpro Database Container
.ddCompressed Macintosh file archive created by DISKDOUBLER
.ddbBitmap graphics
.ddcDivX Descriptor Description File
.ddfMS Data Definition Language file
.ddiDiskdupe Image file (ddupe322.zip)
.ddpDevice Driver Profile file (OS/2)
.deMetaProducts Download Express incompletely downloaded file
.debDebug script (DOS Debug)
.decVersaPro Declaration file
.defAssembly header file (Geoworks)
DATAIR data entry format file
Defaults - definitions
.demDemonstration
Graphics (VistaPro)
.desDescription Text
Tribes 2 Game file
Quickbooks Template
Pro/DESKTOP file
Interscope BlackBox file
.devDevice driver
.dfdData Flow Diagram graphic (Prosa)
.dffCriterion RenderWare 3.x 3D object format
.dfiOutline font description (Digifont)
.dflDefault program settings (Signature)
FreshDownloads (FreshDownload List temp file)
.dfmData Flow Diagram model file (Prosa)
.dfsDelight Sound file
.dftFakt2000 file
SolidEdge CAD file
Workshare Synergy file
PC Draft file
.dfvPrinting form (Word)
.dfxDrafix file
.dgnGraphics (MicroStation)
.dgrFax Page (MS Outlook Express)
DART Pro 98 File Group Details
.dgsDiagnostics
.dhDependency information for .ph (Geoworks)
.dhpDr. Halo PIC Format graphics (Dr. Halo II - III)
.dhtDatafile (Gauss)
.diaDiagraph graphics (Computer Support Corporation)
.dibBitmap graphics (Device-Independent Bitmap)
.dicLotus Notes / Domino dictonary file
.difDatabase (VisiCalc)
Output from Diff command - script for Patch command
Text file (Data Interchange Format)
.digDigilink Format
Sound Designer Audio File
Text Document
.dipGraphics
.dirDialing directory file (Procomm Plus)
Directory file (VAX)
Movie (MacroMind Director 4.x)
.disDATAIR data import specification file
Distribution file (VAX Mail)
Thesaurus (CorelDraw)
.dizDescription file (Description In Zip)
.djeMattBatt iAM-player
.dkbRaytraced graphics (DKBTrace)
.dlAnimation (Italian origin)
.dl_Compressed .dll file in an Install Archive
.dldData (Lotus 1-2-3)
.dlgDialog resource script file (MS Windows SDK)
.dllDynamic Link Library (Windows 3.x - OS/2)
Export/import filter (CorelDRAW)
.dlsSetup (Norton Disklock)
.dmfDelusion/XTracker digital music file
Packed Amiga Disk Image
.dmgMacintosh OS X Disk Image file
.dmlMedical Manager DML System Script
.dmoDemo (Derive)
.dmpDump file (eg. screen or memory)
.dmsCompressed Amiga file archive created by DISKMASHER
.dnaDesktop DNA data storage file
.dnasymDesktop DNA compiled application script
.dnaxDesktop DNA exclusion list (text)
.dneNetica Bayes net file (Norsys Software Corp.)
.dngDungeon file
.dnlDigitalWebBook Electronic Book
netMod Modem Firmware Upgrade file
.doModelSim Filter Design HDL Coder
.docDocument text file
.dogScreen file (Laughing Dog Screen Maker)
.dohDependency information for .poh (Geoworks)
.dosExternal command file (1st Reader)
Network driver (eg. pkt_dis.dos)
Text file containing DOS specific info
.dotLine-type definition file (CorelDRAW)
Template (Word for Windows)
.doxText file (MultiMate 4.0)
.dozDescription Out of Zip (VENDINFO)
.dpCalendar file (Daily Planner)
Data file (DataPhile)
.dpkDelphi Package file
.dppSerif DrawPlus Drawing
.dprDefault project- and state-related information (Borland C++)
.dpsDivX XP Skin
.dptDesktop DNA template
.dpxDigital moving picture exchange format
.draMap Maker Pro GIS vector layer
.drsDisplay Resource (WordPerfect for Win)
.drvDevice driver eg. for printer
.drwDrawing (various)
Vector graphics (Micrografx Designer)
.ds4Vector graphics (Micrografx Designer 4.0)
.dsaDasyTec DASYLab file
.dsbDasyTec DASYLab file
.dscDiscard file (Oracle)
.dsdDatabase (DataShaper)
.dsfMicrografx Designer
PC-TRUST Document Signer
Delusion/XTracker Digital Sample
.dskProject desktop file (Borland C++ - Turbo Pascal)
.dsmDigital sound module (DSI)
.dsnDesign (Object System Designer)
.dspDisplay parameters (Signature)
Graphics display driver (Dr.Halo)
MS Developer Studio Project
.dsrDriver Resource (WordPerfect for Win)
.dssScreensaver file (DCC)
Sound (Digital Soup)
.dstPC-RDist Distribution file
Embroidery Machine Stitch file (VeePro)
.dswDesktop settings (Borland C++ 4.5)
.dsyPC Draft Symbol Library
.dt_Data fork of a Macintosh file (Mac-ette)
.dtaData file (Turbo Pascal - PC-File - Stata)
.dtdSGML Document Definition file
.dtfDatabase file (PFS - Q&A)
.dtpDocument (Timeworks Publisher3)
Publication (Publish-It!)
.dupDuplicate Backup
.dusReadiris font dictionary
.dvcData (Lotus 1-2-3)
.dvfDV Studio Camcorder Graphics file
.dviDevice Independent document (TeX)
.dvpDesqview Program Information file (DESQview)
Device parameter file (AutoCAD)
.dvrDR-92 Manager file
.dvr-msfiles created by Stream Buffer Engine(SBE)
.dw2Drawing (DesignCAD for windows)
.dwcCompressed file archive created by DWC (dwc-a501.exe)
.dwdDavka Writer file
DiamondWare Digitized file
.dwfAutodesk WHIP! Drawing Web file
MS WHIP autoCAD REader Drawing Web file
.dwgDrawing (Drafix)
Drawing database (AutoCAD)
.dwtAutoCAD Template/Prototype file
Macromedia Dreamweaver Template file
Demon\'s World Game Texture file
.dwzDVD movieFactory 3
.dxText file (DEC WPS/DX format - DEC WPS Plus)
.dxfDrawing Interchange File Format vector graphics (AutoCAD)
.dxnFax (Fujitsu dexNET)
.dxrDependable Strengths Administrator Resources
Green Building Advisor file
Macromedia Director Protected Movie file
.dycICUII Videochat file
.dylibApple osx extension for lib
.dynData (Lotus 1-2-3)
.dzDzip Compressed file
.eapEnterprise Architect Project file
.earJava Enterprise Application Packaging Unit
.easElite Visual Basic API Spy
.ebjError-checking object file (Geoworks)
.eboMS Reader Ebook Format
.ebpPocket PC WindowsCE Project file
.ecfWinFax Office Add-in file
.ecoNetManage ECCO file
.ecwEnsoniq Waveset Format
EclipseCrossword Crossword Puzzle
.edbMS Exchange Database
ROOTS3 geneological data
.edlEdit Decision List (management for video/film post production)
.edsEnsoniq SQ80 disk image
.edtDefault settings (VAX Edt editor)
.eebButton bar for Equation Editor (WordPerfect for Win)
.efeEnsoniq EPS file
.eftHigh resolution screen font (ChiWriter)
.efxFax (Everex EFax)
.egaEGA display font (Ventura Publisher)
.ek5SonarData Echoview file
.ek6SonarData Echoview file
.ekmEXP: The Scientific Word Processor Macro
.elElisp source code file (Emacs lisp)
.elcCompiled ELISP code (Emacs lisp)
.elmMS FrontPage Theme-Pack file
.eltEvent list text file (Prosa)
.emailOutlook Express Mail Message
.embEverest Embedded Bank File
.emdABT Extended Module
.emfEnchanced Metafile graphics
.emlMS Outlook Express Electronic Mail
.empE-Music File Format
.emsPC Tools Enhanced Menu System Config
.emuTerminal emulation data (BITCOM)
.emxEnsuredmail encrypted file/e-mail message
.encEncoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe)
Music (Encore)
.endArrow-head definition file (CorelDRAW)
.engDictionary engine (Sprint)
Graphics (charting) (EnerGraphics)
.ensEndNote Styles file
.envEnveloper macro (WOPR)
Environment file (WordPerfect for Win)
.eotMS WEFT Embedded OpenType file
.epdPublication (Express Publisher)
.epfEncryption Protection (encrypted file format)
The extension of the Entrust Profile files.
.epiDocument (Express Publisher)
.eppEditPad Pro Project
.epsEncapsulated PostScript vector graphics (Adobe Illustrator)
Printer font (Epson - Xerox...) (Ventura Publisher)
.eqnEquation (WordPerfect for Win)
.erdEntity Relationship Diagram graphic file (Prosa)
.ermEntity Relationship Diagram model file (Prosa)
.errError log
Error messages for command line compilers
.eshExtended Shell batch file
.eslMS Visual FoxPro Distributable Support Library
.espVentura file
.essEXP: The Scientific Word Processor Style Sheet
.estMS Streets & Trips 2001 Trip file
.etfEnriched Text file
PolyEdit file
.ethDocument (Ethnograph 3)
.etxStructure Enhanced (setext) text
.evSonarData Echoview file
.eviSonarData Echoview file
.evlSonarData Echoview file
.evrSonarData Echoview file
.evtEvent log
.evyDocument (WordPerfect Envoy)
.ewdDocument (Express Publisher for Windows)
.ewlEclipseCrossword Word List
Microsoft Encarta Document
.ex_Compressed .EXE File in an Install Archive
.ex3Device driver (Harvard Graphics 3.0)
.excRexx source code file (VM/CMS)
Exclude file for Optimize (do not process) (QEMM)
.exdControl Information Cache
.exeDirectly executable program (DOS)
.exmMsdos executable, system-manager compliant (HP calculator)
.expICQ Saved Chat file
.extExtension file (Norton Commander)
.exxIntermediate file by MsgPut (IBM LinkWay)
.ezfFax (Calculus EZ-Fax)
.ezmText file
.ezpEdify Electronic Workforce Backup Utility
.f Fortran source code file
Compressed file archive created by FREEZE
.f01Fax (perfectfax)
.f06Dos screen text font - height 6 pixels (fntcol13.zip)
.f07Dos screen text font - height 7 pixels (fntcol13.zip)
.f08Dos screen text font - height 8 pixels (fntcol13.zip)
.f09Dos screen text font - height 9 pixels (fntcol13.zip)
.f10Dos screen text font - height 10 pixels (fntcol13.zip)
.f11Dos screen text font - height 11 pixels (fntcol13.zip)
.f12Dos screen text font - height 12 pixels (fntcol13.zip)
.f13Dos screen text font - height 13 pixels (fntcol13.zip)
.f14Dos screen text font - height 14 pixels (fntcol13.zip)
.f16Dos screen text font - height 16 pixels (fntcol13.zip)
.f2FLASH BIOS file
.f2rLinear module (music) (Farandole)
.f3rBlocked module (music) (Farandole)
.f77Fortran 77 source code file
.f90Fortran file
.f96Fax (Frecom FAX96)
.facFace graphics
.faqFrequently Asked Questions text file
.farFarandoyle Tracker Music Module
The Sims (Maxis) Archive file
.favMS Outlook Bar Shortcuts
.faxFax (raster graphics) (most Fax programs)
.fbcFamilyTree Compressed backup file
.fbkNavison Financials Backup
FamilyTree Backup file
.fcSpell checking dictionary (Harvard Graphics 2.0)
.fcdVirtual CD-ROM
FastCAD/EasyCAD Output
Patton & Patton Flow Charting 3 file
IsoBuster file
.fcmBinary file patch file (forward compression)(jlpak10.zip)
.fcpFLAMES Checkpoint Restart file (Ternion)
.fcsFlow Cytometry Standard Format
Fantasy Football League Organizer file
RealProducer Pro Settings
c-tree Server/Plus Data file
Canon Zoom Browser EX file
CD Trustee file
Spectrum Server Log file
.fcwCampaign Cartographer 2 file
.fdDeclaration file (MS Fortran)
Field offsets for compiler (DataFlex)
.fdbArt Explosion Portfolio Catalog file
Legacy Family Tree Database
Navison Financials Database
.fdeFLAMES Dataset Export file (Ternion)
.fdfAdobe Acrobat Forms document
.fdrFinal Draft Document file
Embroidery Design file
.fdwForm (F3 Design and Mapping)
.febButton bar for Figure Editor (WordPerfect for Win)
.fesFabio Editing Software
.fevFLAMES Environment Variable file (Ternion)
.ffOutline font description (Agfa Compugraphics)
.ffaMS Fast Find file
.fffFax (defFax)
.fflMS Fast Find file
.ffoMS Fast Find file
.fftDca/FFT Final Form Text text file (DisplayWrite)
.ffxMicrosoft Fast Find file
.fgdFolder Guard Data
Half-life Modification Map Configuration file
Digital Raster Graphic Metadata file
.fh3Vector graphics (Aldus FreeHand 3.x)
.fh4Vector graphics (Aldus FreeHand 4.x)
.fh5Freehand 5
.fh6Freehand 6
.fh7Freehand 7
.fh8Macromedia Freehand 8
.fh9Macromedia Freehand 9
.fh10Macromedia Freehand 10
.fiInterface file (MS Fortran)
.fifFractal Image Format file
.figREND386/AVRIL Graphic
Super Nintendo Game-console ROM Image
.filFile template (Application Generator)
Files list object file (dBASE Application Generator)
Overlay (WordPerfect)
.finPrint-formatted text file (Perfect Writer - Scribble - MINCE)
.fitFits graphics
File Index Table (WindowsNT)
.fixPatch file
.fkyMacro file (FoxPro)
.flaMacromedia Flash
.flacFree Lossless Audio Codec
.flbFormat library (Papyrus)
.flcAnimation (Autodesk Animator)
.fldFolder (Charisma)
.flfCorel Paradox Form
Firehand Lightning Graphic Collection
Navison Financials License file
OS/2 Driver file
.fliTex font library (EmTeX)
Animation (Autodesk Animator)
.flmFilm Roll (AutoCAD/AutoShade)
.floMicrografx FlowCharter
.flpFlipAlbum file
Fruityloops Saved file
.fltAsymetrix Graphics Filter Support file
CoolEdit Pro Filter
Corel Graphic Filter
FileMaker Filter
FLIC Animation (DTA)
Micrografx Picture Publisher Filter
MS Graphics Filter
MulitGen Open Flight file
OS/2 Warp Filter Device Driver
StarTrekker Music Module
WinFlash Educator Flashcard Compiled Test file
.flvMacromedia Flash Video file
.flxCompiled binary (DataFlex)
.fmSpreatsheet (FileMaker Pro)
FrameMaker file
.fm1Spreadsheet (Lotus 1-2-3 release 2.x)
.fm3Device driver (Harvard Graphics 3.0)
Spreadsheet (Lotus 1-2-3 release 3.x)
.fmbFile Manager Button bar (WordPerfect for Win)
.fmfFont or icon file (IBM LinkWay)
.fmgFreeMarkets Graphics Browser
.fmkMakefile (Fortran PowerStation)
.fmoCompiled format file (dBASE IV)
.fmpFileMaker Pro Document
FLAMES Model Prototype file (Ternion)
.fmtFormat file (dBASE IV - FoxPro - Clipper 5 - dBFast)
Style sheet (Sprint)
.fmvFrame Vector Metafile
.fmzForm Z Program files (drawing program)
.fn3Font file (Harvard Graphics 3.0)
.fntFont file (many)
.fnxInactive font (Exact)
.fo1Font file (Borland Turbo C)
.fo2Font file (Borland Turbo C)
.folFolder of saved messages (1st Reader)
.fonDialing directory file (Telix)
Font file (many - Windows 3.x font library)
Log of all calls (Procomm Plus)
.forFortran source code file
Form (WindowBase)
.fotInstalled Truetype font (Windows Font Installer)
.fpConfiguration file (FoxPro)
.fp3FileMaker Pro 3.0 and earlier files
.fp4FileMaker Pro 4.0
.fp5FileMaker Pro 5.0 and later files
.fpbFLAMES Playback file (Ternion)
.fpcCatalog (FoxPro)
.fpkJetForm FormFlow file
.fprFLAMES Prototype file (Ternion)
.fptMemo (FoxPro)
.fpwFloorplan drawing (FloorPLAN plus for Windows)
.fpxFlashPix Bitmap
.fqyFLAMES FLARE Command file (Ternion)
.fr3Renamed dBASE III+ form file (dBASE IV)
.frcFLAMES RECORD Output file; FLARE Input file (Ternion)
.freCreative Digital Blaster Digital VCR file
Male Normal CT
.frfFont (FontMonger)
.frgUncompiled report file (dBASE IV)
.frlFormFlow file
.frmForm (Visual Basic)
Report file (dBASE IV - Clipper 5 - dBFast)
Text (order form)
.froCompiled report file (dBASE IV)
.frpForm (PerForm PRO Plus - FormFlow)
.frsScreen Font Resource (WordPerfect for Win)
.frtReport memo (FoxPro)
.frxReport (FoxPro)
.fscFLAMES Scenario file (Ternion)
.fshEA Sports Game Graphic Editor file
.fslForm (Paradox for Windows)
.fsmFarandoyle Sample format music
.fstLinkable program (dBFast)
.fsxData (Lotus 1-2-3)
.fsyFileware\'s Filesync
.ftmFont file (Micrografx)
.ftsWindows Help Full-Text Search Index file
.ftwFamily file
FontTwister
.ftpConfiguration (FTP Software PC/TCP)
.fvtInterlock Public Computer Utility
.fwDatabase (FrameWork)
.fw2Database (Framework II)
.fw3Database (Framework III)
.fxOn-line guide (FastLynx)
.fxdPhonebook (FAXit)
.fxmWinFax/WinFax MiniViewer Fax
.fxoFax Image Document
.fxpCompiled format (FoxPro)
.fxrWinFax Received Document
.fxsFax Transmit Format graphics (WinFax)
.g Data chart (APPLAUSE)
.g3fZetafax TIFF file (fine resolution)
.g3nZetafax TIFF file (normal resolution)
.g8Raw graphics (one byte per pixel) plane three (PicLab)
.galCorel Multimedia Manager Album
.gamFax (GammaFax)
TADS 2.x Game file
Baldur\'s Gate Game file
Animated E-mail
.gatGator file
.gbGameBoy ROM
.gbaGame Boy Advanced ROM
GrabIt Batch files
.gbcGame Boy COlor ROM
.gbdGator Banner file
.gblGlobal definitions (VAXTPU editor)
.gbrGIMP Brush file
Gerber Format file
.gbxGerber file
.gc1Lisp source code (Golden Common Lisp 1.1)
.gc3Lisp source code (Golden Common Lisp 3.1)
.gcdGraphics
.gdbInterbase Database
Group Mail file
.gdfDictionary file (GEOS)
.gdrBitmap Font file (SymbianOS)
.gedEditor\'s native file format (Arts & Letters)
GEDCOM Family History file
Graphic Environment Document
Graphics editor file (EnerGraphics)
.gemVector graphics (GEM - Ventura Publisher)
.genCompiled template (dBASE Application Generator)
Generated text (Ventura Publisher)
Genius Family Tree
.geoGeode (Geoworks)
.gfbCompressed GIF image created by GIFBLAST (gifblast.exe)
.gftFont (NeoPaint)
.gfxGenigraphics Graphics Link Presentation
Graphic format used by Allen Bradley SCADA Software (RSView Works)
.ghoSymantec Ghost Disk image file
.ghsLasertank High Scores
Symantec Ghost Disk Image Span file
.gibChart (Graph-in-the-Box)
.gidWindows Help index file
.gifGraphics Interchange Format bitmap graphics (CompuShow)
.gigSound file
.giwPresentation (Graph-in-the-Box for Windows)
.glAnimation (GRASP GRAphical System for Presentation)
.glmDatafile (Glim)
.glsDatafile (Across)
.glyGlossary (MS Word)
.gmfCGM graphics (APPLAUSE)
.gmpGeomorph tile map (SPX)
.gnoGenopro Genealogy Document file
.gocGoc source code file (Geoworks)
.gohGoc header file (Geoworks)
.gpGeode parameter file (Geoworks Glue)
.gp3CCITT Group 3 file
GuitarPro 3
.gpdVISUAL EPR Input Data for PARAMS.EXE
.gphGraph (Lotus 1-2-3/G)
.gpkOmnigo program package
.gr2Screen driver (Windows 3.x)
.graDatafile (SigmaPlot)
.grbMs-DOS Shell Monitor file (MS-DOS 5)
.grdGradebook Power file
Map Projection Grid file
.grfGraph file (Graph Plus - Charisma)
.grlMatlab Graphic Format
.grpGroup file (Windows 3.x - Papyrus)
Pictures group (PixBase)
.grxFile list (GetRight)
.gryRaw GREY graphics
.gs1Presentation (GraphShow)
.gsdVector graphics (Professional Draw)
GSplit file splitting utility (GDGsoft.com)
.gsmRaw GSM 6.10 Audio Stream
Sound file
US Robotics modem file
.gspGeometer\'s Sketchpad Material file
.gswWorksheet (GraphShow)
.gtpGuitarPro file
.gtsGenome Software Tempo Alarm Clock
.gupData (PopMail)
.gwiGroupwise File
.gwpGreetings WorkShop file
.gxdGeneral CADD Pro file
GX-Reports file
Jeol EX Spectrometer Data file
.gxlGraphics library (Genus)
.gxtGTA2 Game file
.gymSega Genesis Music Logged Format
.gzCompressed file archive created by GZIP (GNU zip)
.h Header file
.h!On-line help file (Flambeaux Help! Display Engine)
.h++Header file (C++)
.h--Header file (Sphinx C--)
.haCompressed file archive created by HA (ha098.zip)
.hamImage file
.hapCompressed file archive created by HAP (hap303re.zip)
.hbkHandbook (Mathcad)
.hbseBerry Transparent Animation - compressed bitmap files
.hcrIBM HCD/HCM Production Configuration
.hdfHierarchical Data File graphics (SDSC Image Tools)
Help file (Help Development Kit)
.hdlAlternate download file listing (Procomm Plus)
.hdpMagix Music/Video
.hdrPc-File+ Database header
Datafile (Egret)
Message header text (Procomm Plus - 1st Reader)
.hdwVector graphics (Harvard Draw)
.hdxHelp index (AutoCAD - Zortech C++)
.hexHex dump
.hfiHp Font Info file (GEM)
.hfxHotFax file
US Robotics Rapid Comm Voice Data file
.hglHp Graphics Language graphics
.hhC++ header file
.hhcTable of Contents file
TurboTax Contents file
.hhhPrecompiled header file (Power C)
.hhkHelp Workshop Index file
.hhpHelp information for remote users (Procomm Plus)
.hhtMS Messenger file
.hinMolecule (HyperChem)
.hisInsight II Dynamics Trajectory History file
Spy-CD CD Search Database file
.hlbHelp library (VAX)
.hlpHelp information
.hlzMulti-Edit Packed Help file
.hm3Help & Manual 3 project Format
.hmmAlternate Mail Read option menu (Procomm Plus)
.hncCNC program files Heidenhain (?) dialog
.hofHall Of Fame (game scores)
.hp8Ascii text HP Roman8 character set (NewWave Write)
.hpfHp LaserJet fonts (PageMaker)
.hpgHPGL plotter file vector graphics (AutoCad - Harvard Graphics)
.hpiFont information file (GEM)
.hpjHelp project (MS Help Compiler)
.hpkCompressed file archive created by HPACK (hpack75.zip)
.hpmEmm text (HP NewWave)
Alternate Main menu for privileged users (Procomm Plus)
.hppC++ header file (Zortech C++)
.hqxCompressed Macintosh ASCII archive created by BINHEX (xbin23.zip)
.hrfGraphics (Hitachi Raster Format)
.hrmAlternate Main menu for limited/normal users (Procomm Plus)
.hs2Monochrome image (Postering)
.hsiHandmade Software Inc. graphics - almost JPEG (Image Alchemy)
.hstHistory file (Procomm Plus)
.htaHypertext application
.htcHTML Component (mechanism for implementing Dynamic HTML in script)
.htfWebBase File
.htiWebBase File
.htmHyperText Markup Language document
.htrMotion Analysis Software Skeletal file
.httHypertext template
.htxHypertext file
.husHusqvarna Designer I Embroidery Machine Format
.hwdPresentation (Hollywood)
.hxmAlternate Protocol Selection menu for all users (Procomm Plus)
.hxxC++ header file
.hy1Hyphenation algorithms (Ventura Publisher)
.hy2Hyphenation algorithms (Ventura Publisher)
.hycData (WordPerfect)
.hydHyphenation dictionary (WordPerfect for Win)
.hypCompressed file archive created by HYPER (hyper25.zip)
.hytVFSMOD Project output file
.i Intermediate file (Borland C++ 4.5)
.iafMS Outlook 97 and 2000 e-mail account settings
.iaxBitmap graphics (IBM Image Access eXecutive)
.ibmCompressed file archive created by ARCHDOS (Internal IBM only)
.icaBitmap graphics (Image Object Content Architecture)
.icbBitmap graphics
.iccKodak Printer Image
IronCAD Catalog
.icdIronCAD 2D CAD file
.iclicon library (ActivIcons, IconForge, ImageForge, ImageForge PRO)
.icmImage Color Matching Profile file
ICC Profile, Acer Monotor Drive
.icnIcon source code file
.icoIcon (Windows 3.x)
.idDisk identification file
.idbDatabase Used by Disassembler
MS Developer Intermediate file
.ideProject (Borland C++ 4.5)
.idfARTiSAN Real-time Studio ID file
MIDI Instruments Drivers file
.idlMS Visual C++ Interface Definition file
OMG CORBA Interface Definition Language
.idwVector graphics (IntelliDraw)
.idxIndex (many - FoxPro)
.iesPhotometric file data
.ifdForm (JetForm Design)
.iffInterchange File Format bitmap graphics/sound (Amiga)
Maxis The Sims Object file
Philips CDI File
Sun TAAC Image File Format (SDSC Image Tool)
.ifoSaved graphic objects (ImageForge PRO)
.ifpScript (KnowledgeMan)
.ifsFractal image compressed file (Yuvpak)
System file (OS/2) hpfs.ifs
.igrIntergraph SmartSketch Drawing
.igsIGES-Format
.igxiGrafx Process
.iifQuickBooks for Windows Interchange file
.ilbData (Scream Tracker)
.ilkOutline of program\'s format (MS ILink incremental linker)
.im30Sun Raster image file
.im8Sun raster graphics
.imaMirage vector graphics (EGO, Chart, Autumn)
.imbIncrediMail file
.imcIncrediMail file
.imfImageForge/IconForge saved filtered brushes(IconForge, ImageForge, ImageForge PRO)
.imgBitmap graphics (Ventura Publisher - GEM Paint)
.immIncrediMail Trash
.imnIncrediMail Notifier
.impSpreadsheet (Lotus Improv)
Impaticized PowerPoint file
.imqImage presentation (ImageQ)
.imsIncredimail Graphic
.imvYahoo Instant Messenger IMVironment
Impaticized Video format
.imwImageware Surfacer 3D CAD Surface Geometry
IncrediMail Sound
.imzCompressed floppy image
.in$Installation file (HP NewWave)
.in3Input device driver (Harvard Graphics 3.0)
.inbTest script (Vermont HighTest)
.incInclude file (several programming languages)
.indIndex (dBASE IV)
.infType 1 LaserJet font information file (soft font installers)
Information text file (ASCII)
Install script
.iniInitialization file
.inkPantone reference fills file (CorelDRAW)
.inlMS Visual C++ Inline Function file
.inpGIS Software Text Input file
Oracle Source Code
Self-Extracting Archive Utility Project
.insData (WordPerfect)
Installation script (1st Reader)
Instrument music file (Adlib)
.intBorland Interface Units
Program saved in Internal (semi-compiled) format (Signature)
.invRogue Spear Inventory file
.inxIndex (Foxbase)
.ioCompressed file archive created by CPIO
.iob3d graphics database in TDDD format
.iocOrganizational chart (Instant ORGcharting!)
.ion4dos descript.ion file (file descriptions)
.ipdInstallPROG 6 EDBS Install Database
.ipgMindjongg Format
.ipjImpatica OnCue Project file
.iplPantone Spot reference palette file (CorelDRAW)
.ippHelp & Manual Proprietary Image
.ipsGame Patch file
MENSI 3Dipsos
.ipxIPIX AV file
.ipzICQ Skin Plus
.irsResource (WordPerfect)
.isdSpelling Checker dictionary (RapidFile)
.ishCompressed file archive created by ISH
.iskCommand file
.isoEasy CD Creator Disc Image
File List for CD-ROM
InstallShield Uninstall file
ISO Buster file
ISO-9660 Table
RichWin
Vector Graphics (IsoDraw Illustration)
.isrMS Streets & Trips Route file
.issInstallShield Response file
ISS Graphic
.istDigitrakker Instrument File (n-FaCToR)
.isuInstallShield Uninstall Script
Easy CD Creator 4 Uninstall file
Netscape file
.itSettings (intalk)
.itfInterface file (JPI TopSpeed Pascal)
.ithInTether technology secured file
.ivOpenInventor files (the successor to Inventor)
.ivasecurity video data file
.ivtMS Infoviewer Title
.iwPresentation flowchart (IconAuthor - HSC InterActive)
.iwaText file (IBM Writing Assistant)
.iwpText file (Wang)
.iztIzl binary token file (IZL)
.j01File Extension from ADP Payroll Company
.jarJava archive file
.jasGraphics
.javJava source code file
.jbcJam Byte-Code Hex file
BestCrypt File
.jbdDatafile (SigmaScan)
.jbfPaint Shop Pro browser file
.jbkJuno Backup file
.jbrJasc Paint Shop Pro Brush
.jbxProject file (Project Scheduler 4)
.jdtAccelio Capture Classic Filler
.jefJanome NH10000 Sewing Machine file
.jetFax (Hybrid JetFax)
.jffBitmap graphics (JPEG File Interchange Format)
.jfxJ2 Fax File
.jhtmlDynamo Server Page
.jifJPEG/JIFF Image
Jeff\'s Image Format
.jmxJMeter file
.jnbSigma Plot Workbook file
.jnlIngres Journal file
.jobJob file
Task Scheduler Task Object
AI Research file
QuestVision Vector Graphics file
.jorJournal file SQL
.jouJournal backup (VAX Edt editor)
.jpcGraphics (Japan PIC)
.jpeJPEG image
.jpgBitmap graphics (Joint Photography Experts Group)
.jpsStereo Image
.jsMicrosoft Scripting Language "JScript" file extension
.jsdeFAX Jet Suite Document
.jshHenter-Joyce, Inc. Jaws Script Header file
.jspJava Server page
.jtfFax (Hayes JT Fax)
Bitmap graphics (JPEG Tagged Interchange Format)
.jtpJetform file
.jup(New Planet Software) Code Crusader user\'s project preferences file
.jwText document (JustWrite)
.jwlLibrary (JustWrite)
.jwpEasy CD Creator Label file
JWP Document
.jzzSpreatsheet (Jazz)
.k4eKaraoke 4 Everyone Player file
.karMidi file with karaoke word track
.kbKeyboard script (Borland C++ 4.5)
Program source (Knowledge Pro)
.kbdKeyboard mapping (LocoScript - Signature - Procomm Plus)
.kbmKeyboard mapping (Reflection 4.0)
.kclLisp source code (Kyoto Common Lisp)
.kcpKeychamp file
.kdcKodak Photo-Enhancer/Photogen file
.kexMacro (KEDIT)
.keyDatafile (Forecast Pro)
Keyboard macros
Security file eg. Shareware Registration info
.kitRaven Toolkit file
.kixKixTart Script
.kmaKodak Memory Book file
.kmpKorg Trinity KeyMaP file
.kmxKaufman Mmail Warrior Mail Folder
.kosMicroType Pro Document
.kplKazaa Playlist
KPL Source Code
.kppToolpad (SmartPad)
.kpsIbm KIPS bitmap graphics
.kqeW32/Spybot.KQE Worm virus
.kqpKonica Quality Picture
.krzKurzweil 2000 Sample
.ktkKutoka\'s Mia
.kybKeyboard mapping (FTP Software PC/TCP)
.l Lex source code file
Lisp source code file
Linker directive file (WATCOM wlink)
.l01ARC Digitized Raster Graphics
.labDatafile (NCSS - SOLO)
Mailing labels (Q+E for MS Excel)
.latCrossword Express Lattice file
.layWord chart layout (APPLAUSE)
.lbgLabel generator data (dBASE IV)
.lblLabel (dBASE IV - Clipper 5 - dBFast)
.lbmBitmap graphics (DeluxePaint)
Linear bitmap graphics (XLib)
.lboCompiled label (dBASE IV)
.lbrCompressed file archive created by LU (lue220.arc)
Display driver (Lotus 1-2-3)
.lbtLabel memo (FoxPro)
.lbxLabel (FoxPro)
.lcfLinker Control File (Norton Guides compiler)
.lckLockfile (Paradox)
.lclData (FTP Software PC/TCP)
.lcnLection (WordPerfect)
.lcsDatafile (ACT! History Files)
.lcwSpreadsheet (Lucid 3-D)
.ldLong Distance codes file (Telix)
.ld1Overlay file (dBASE)
.ldbData (MS Access)
.ldfLibrary definition file (Geoworks Glue)
locking data file or (locking security file)
IBM Works for OS/2 Filer Form
Microsoft SQL Server Transaction Log File
.legLegacy Graphic Format
.lesLesson (check *.cbt)
.letLetter
.levLevel file (NetHack 3.x)
.lexLexicon (dictionary) (many)
.lfaLifeForm file
.lftLaser printer font (ChiWriter)
.lgLogo procedure definitions (LSRHS Logo)
.lgcProgram Use Log file
.lgoLogo for header and footer (SuperFax)
Startup logo code (Windows 3.x)
.lhaCompressed file archive created by LHA/LHARC (lha255b.exe)
.lhwCompressed Amiga file archive created by LHWARP
.libLibrary file (several programming languages)
.licLicense file (Shareware)
.lidWinDVD file
Light Field Description file
Dylan Library Interchange Description
LabelVision Auto Incrementing Value file
Maple V Setup file
Scholar\'s Aid Backup file
.lifLogical Interchange Format data file (Hewlett-Packard)
Compressed file archive
.limCompressed file archive created by LIMIT (limit12.zip)
.linLine types (AutoCAD)
.lisListing (VAX)
.litMS Reader EBook file
.lixExtend Simulation Library file
Libronix DLS Resource (LLS 2.x Index)
.ljText file for HP LJ II printer
.lkoMS Outlook Express Linked Object
.ll3Laplink III related file (document) (LapLink III)
.lmtRPG Maker map tree file
.lnd3D Landscape Data
.lngDiablo II file
NRG SDR Language file
.lnkLinker response file (.RTLink)
.locMicroSim PCBoard Component Locations Report
Suppose Locations file
.lodLoad file
.logLog file
.lokEncrypted and compressed archive format (FileWrangler, SecurDesk!, ZipWrangler)
.lpcPrinter driver (TEKO)
.lpdHelix Nuts and Bolts File
Avery Label Pro
.lpfLytec\'s Direct Electronic Medical Claims ClaimsDirect
.lpiLive Pictures
.lpkLicensed ActiveX Control for Internet Explorer.
.lrfLinker response file (MS C/C++)
.lrsLanguage Resource File (WordPerfect for Win)
.lsfStreaming Audio/Video file
Libronix DLS Resource
.lslLotus Script Library
.lspLisp source code file (Xlisp)
.lssSpreadsheet (Legato)
.lstKeyboard macro (1st Reader)
List file (archive index - compiler listfile)
Spool file (Oracle)
.ltmForm (Lotus Forms)
.ltrLetter
.lvpLucent Voice Player
LView Pro
.lwaLightWorks Archive Material/Scene file
.lwdText document (LotusWorks)
.lwoNewTek Lightwave Object
.lwpLotus Wordpro 96/97 File
.lwzMS Linguistically Enhanced Sound file
.lyrDataCAD Layer file
.lzdDifference file for binaries (Ldiff 1.20)
.lzhCompressed file archive created by LHA/LHARC (lha255b.exe)
.lzsCompressed file archive created by LARC (larc333.zip)
.lzwCompressed Amiga file archive created by LHWARP
.lzxCompressed file
.mFunction (program) (Matlab)
Macro module (Brief)
Standard package (Mathematica)
.m11Text file (MASS11)
.m2pMPEG-2 Program Stream Format file
.m2vMPEG-2 Video Only file
.m3Modula 3 source code file
.m3d3d animation macro
.m3uMusic Playlist (Winamp)
.m4M4 preprocessor file (unix)
.m4aMPEG-4 Audio Layer
.m_uBackup of boot sector, FAT and boot dir (MazeGold)
.ma3Macro (Harvard Graphics 3.0)
.macBitmap graphics (Macintosh MacPaint)
Macro
.madMS Access Module Shortcut
.magWoody Lynn\'s MAG graphics format (MPS Magro Paint System)
.maiMail (VAX)
.makMakefile
Project file (Visual Basic)
.manCommand manual
.mapColor palette
Format data (Micrografx Picture Publisher)
Linker map file
Map (Atlas MapMaker)
Network map (AccView)
.marAssembly program (VAX Macro)
.masSmartmaster set (Freelance Graphics)
.matData file (Matlab)
.maxMax source code file
Microsoft Data Analyser View
.mbMemo field values for database (Paradox)
.mbfMS Money Backup file
.mbkMedisoft for Windows Backup
Multiple index file backup (dBASE IV)
.mbxMailbox (Eudora/Zerberus)
.mccConfiguration file (Mathcad)
.mcdDocument (Mathcad)
.mcfMathcad font
Meta Content Format file
Master Command file
TMPGEnc template
.mciMci command script (Media Control Interface)
.mcpApplication script (Capsule)
Printer driver (Mathcad)
.mcrDataCAD Keyboard macro file
.mcwText file (MacWrite II)
.mcxGraphic file
.mdCompressed file archive created by MDCD (mdcd10.arc)
.md5Message Digest 5 (Easy MD5 Creator)
.mdaData (MS Access)
.mdbDatabase (MS Access)
.mdfAccelio Capture Classic (JetForm) Filler
I-deas Master Drafting Machine Data file
Menu Definition file
MS-SQL Master Database file
.mdlModel (3D Design Plus)
Spreadsheet (CA-Compete!)
.mdmModem definition (TELIX)
.mdmpMicrosoft Windows XP Trouble Report
.mdrFaxTalk Modem Doctor Modem Report file
.mdtData table (MS ILink incremental linker)
.mdxMultiple index file (dBASE IV)
.mdzMS Access Wizard Template
.meUsually ASCII text file READ.ME
.mebMacro Editor bottom overflow file (WordPerfect Library)
.medMacro Editor delete save (WordPerfect Library)
Music (OctaMED)
.memMacro Editor macro (WordPerfect Library)
Memory variable save file (Clipper - dBASE IV - FoxPro)
.meqMacro Editor print queue file (WordPerfect Library)
.merMacro Editor resident area (WordPerfect Library) (vakioalue)
.mesMacro Editor work space file (WordPerfect Library)
Message
.metMacro Editor top overflow file (WordPerfect Library)
Document (Omnipage Pro)
.meuMenu group (DOS Shell)
.mexMex file (executable command) (Matlab)
Macro Editor expound file (WordPerfect Library)
Mioplanet mex reader interactive file
.mfMetafont text file
.mfxImageMAKER Fax Viewer folder file
.mgfFont (Micrografx)
.mgpMagicPoint presentation
.mhpMS Home Publishing Project
.mht MS MHTML Document
.mibSnmp MIB file
.micMicrosoft Image Composer file
.midStandard MIDI file (music synthetizers)
.mifMaker Interchange Format (FrameMaker)
.miiDatafile (MicroStat-II)
.mimMIME file
.mioMultimedia Interactive Object
.mipPaint Shop Pro Multiple Image Print file
.misDelta Force Land Warrior Mission
MagicInstall Installation Script
Tribes 2 Game file
.mixObject file (Power C)
.mkMakefile
.mkeMakefile (MS Windows SDK)
.mkiJapanese graphics MAKIchan format (MagView 0.5)
.mksData (TACT)
.ml3Project (Milestones 3.x)
.mlbMacro library file (Symphony)
.mlmNovel Groupwise e-mail file
.mmText file (MultiMate Advantage II)
.mmcMedia Catalog
MSoffice Media Content
.mmfMail message file (MS Mail)
.mmlMail Meta Language
.mmmMovie (RIFF RMMP format) (MacroMind Director 3.x)
.mmoMemo writer file (RapidFile)
.mmpOutput video format from Bravado board
.mmxCommand & Conquer Red Alert 2 Map file
Oracle Forms Compiled Menu
.mmzMusicMatch Theme file
.mndMenu source (AutoCAD Menu Compiler)
.mngMap (DeLorme Map\'n\'Go)
.mntMenu memo (FoxPro)
.mnuAdvanced macro (HP NewWave)
Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
.mnxCompiled menu (AutoCAD)
Menu (FoxPro)
.mnyAccount book (MS Money)
.mobDevice definition (PEN Windows)
.modModula-2 source code file (Clarion Modula-2)
Windows kernel module
Music (FastTracker - many)
.molMDL Molfile
.monMonitor description (ReadMail)
.movQuickTime Video Clip
Apple QuickTime Audio
AutoCAD AutoFlix Movie
.mp2Mpeg audio file (xing)
.mpaMPEG Audio Stream, Layer I, II or III
.mpcCalender file (MS Project)
.mpdMS Project database file
.mpeMPEG Movie Clip
.mpfMS Design Gallery
MosASCII Project Workspace file
.mpgMpeg animation
.mpmMathplan macro (WordPerfect Library)
.mppProject file (MS Project)
CAD Drawing File
.mpqBlizzard Game Data file
.mprGenerated program (FoxPro)
.mpsMultimedia file
Casio PDL Pocket Streets Map
.mptBitmap graphics (Multipage TIFF)
Template File (MS Project)
.mpvView file (MS Project)
.mpwMosASCII Project Workspace file
.mpxCompiled menu program (FoxPro)
.mrbMultiple Resolution Bitmap graphics (MS C/C++)
.mrcMIRC Script file
Bibliographic Data Format
.mrkInformative Graphics markup file
.mrsMacro Resource file (WordPerfect for Win)
.mscMS C makefile
.msfMultiple Sequence file
.msgMessage
.msiWindows Installer file
.msoMath Script Object file
MS FrontPage file
MS Word OLE Web Page Storage Stream
.mspBitmap graphics (Microsoft Paint)
.mspxXML based Web Page
.mssManuscript text file (Perfect Writer - Scribble - MINCE - Jove)
.mstChemFinder Chemical Structure Index
DATAIR Pension System Master file
Minispecification file (Prosa)
Setup script (MS Windows SDK)
Visual Test Source file
.msvSony Memory Stick Format
.mswText file (MS Word)
.msxCompressed CP/M file archive created by MSX
.mtdDigital Sheet Music
.mthMath file (Derive)
.mtmMultitracker Module music
.mtsViewpoint iPix file
.mtwDatafile (Minitab)
.mtxTemporary File often used by a browser or TWAIN device
Viewpoint iPix file
.muMenu (Quattro Pro)
.mu3Myriad Music file (packed sounds & digital tracks)
.mufProtoMuck Multi User Forth Program
.mulUltima Online Game
.musMusicTime Sound file
Myriad Music file
.mvbDatabase
MS Multimedia viewer file
.mvcMusic Collector Collection Manager file
.mvdMicroDVD (DVD movie file)
.mvfStop frame file (AutoCAD AutoFlix)
.mviMovie command file (AutoCAD AutoFlix)
.mvwLog file (Saber LAN)
.mwfAnimation (ProMotion)
.mwvMovieWorks file
.mxdGIS Project file
.mxeMacro Express
Mindex Effect Album
.MXFMaterial eXchange Format for the interchange of audio-visual material (associated data and metadata).
.mxmMS Project/Outlook Team Assign Task
.mxpMacromedia Extension Manager
ArcReader Published Map
.mxtData (MS C)
.mypPresentation (MM Make Your Point)
.myrMyriad Music file
.mysMyst Saved Game
.mytMyriad Tutorial file
.m Function (program) (Matlab)
Macro module (Brief)
Standard package (Mathematica)
.m11Text file (MASS11)
.m2pMPEG-2 Program Stream Format file
.m2vMPEG-2 Video Only file
.m3Modula 3 source code file
.m3d3d animation macro
.m3uMusic Playlist (Winamp)
.m4M4 preprocessor file (unix)
.m_uBackup of boot sector, FAT and boot dir (MazeGold)
.ma3Macro (Harvard Graphics 3.0)
.macBitmap graphics (Macintosh MacPaint)
Macro
.madMS Access Module Shortcut
.magWoody Lynn\'s MAG graphics format (MPS Magro Paint System)
.maiMail (VAX)
.makMakefile
Project file (Visual Basic)
.manCommand manual
.mapColor palette
Format data (Micrografx Picture Publisher)
Linker map file
Map (Atlas MapMaker)
Network map (AccView)
.marAssembly program (VAX Macro)
.masSmartmaster set (Freelance Graphics)
.matData file (Matlab)
.maxMax source code file
Microsoft Data Analyser View
.mbMemo field values for database (Paradox)
.mbfMS Money Backup file
.mbkMultiple index file backup (dBASE IV)
.mbxMailbox (Eudora/Zerberus)
.mccConfiguration file (Mathcad)
.mcdDocument (Mathcad)
.mcfMathcad font
Meta Content Format file
Master Command file
TMPGEnc template
.mciMci command script (Media Control Interface)
.mcpApplication script (Capsule)
Printer driver (Mathcad)
.mcrDataCAD Keyboard macro file
.mcwText file (MacWrite II)
.mcxGraphic file
.mdCompressed file archive created by MDCD (mdcd10.arc)
.md5Message Digest 5 (Easy MD5 Creator)
.mdaData (MS Access)
.mdbDatabase (MS Access)
.mdfAccelio Capture Classic (JetForm) Filler
I-deas Master Drafting Machine Data file
Menu Definition file
MS-SQL Master Database file
Alcohol 120% CD Image File
.mdlModel (3D Design Plus)
Spreadsheet (CA-Compete!)
.mdmModem definition (TELIX)
.mdrFaxTalk Modem Doctor Modem Report file
.mdtData table (MS ILink incremental linker)
.mdxMultiple index file (dBASE IV)
.mdzMS Access Wizard Template
.meUsually ASCII text file READ.ME
.mebMacro Editor bottom overflow file (WordPerfect Library)
.medMacro Editor delete save (WordPerfect Library)
Music (OctaMED)
.memMacro Editor macro (WordPerfect Library)
Memory variable save file (Clipper - dBASE IV - FoxPro)
.meqMacro Editor print queue file (WordPerfect Library)
.merMacro Editor resident area (WordPerfect Library) (vakioalue)
.mesMacro Editor work space file (WordPerfect Library)
Message
.metDocument (Omnipage Pro)
eDonkey2000 file
Macro Editor top overflow file (WordPerfect Library)
Presentation Manager Meta file
.meuMenu group (DOS Shell)
.mexMex file (executable command) (Matlab)
Macro Editor expound file (WordPerfect Library)
Mioplanet mex reader interactive file
.mfMetafont text file
.mgfFont (Micrografx)
.mhpMS Home Publishing Project
.mht MS MHTML Document
.mibSnmp MIB file
.micMicrosoft Image Composer file
.midStandard MIDI file (music synthetizers)
.mifMaker Interchange Format (FrameMaker)
.miiDatafile (MicroStat-II)
.mimMIME file
.mioMultimedia Interactive Object
.mipPaint Shop Pro Multiple Image Print file
.misDelta Force Land Warrior Mission
MagicInstall Installation Script
Tribes 2 Game file
.mixObject file (Power C)
.mkMakefile
.mkeMakefile (MS Windows SDK)
.mkiJapanese graphics MAKIchan format (MagView 0.5)
.mksData (TACT)
.ml3Project (Milestones 3.x)
.mlbMacro library file (Symphony)
.mlmNovel Groupwise e-mail file
.mmText file (MultiMate Advantage II)
.mmcMedia Catalog
MSoffice Media Content
.mmdPeristudio/PeriProducer file
.mmfMail message file (MS Mail)
.mmlMail Meta Language
.mmmMovie (RIFF RMMP format) (MacroMind Director 3.x)
.mmoMemo writer file (RapidFile)
.mmpOutput video format from Bravado board
.mmxCommand & Conquer Red Alert 2 Map file
Oracle Forms Compiled Menu
.mmzMusicMatch Theme file
.mndMenu source (AutoCAD Menu Compiler)
.mngMap (DeLorme Map\'n\'Go)
.mntMenu memo (FoxPro)
.mnuAdvanced macro (HP NewWave)
Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
.mnxCompiled menu (AutoCAD)
Menu (FoxPro)
.mnyAccount book (MS Money)
.mobDevice definition (PEN Windows)
.modModula-2 source code file (Clarion Modula-2)
Windows kernel module
Music (FastTracker - many)
.molMDL Molfile
.monMonitor description (ReadMail)
.movQuickTime Video Clip
Apple QuickTime Audio
AutoCAD AutoFlix Movie
.mp2Mpeg audio file (xing)
.mp3mp3PRO Audio file
MPEG Audio Stream, Layer III
SHARP MZ-series Emulator file
Wrapster Wrapped file
.mp4MPEG-4 Video File
.mpcCalender file (MS Project)
.mpdMS Project database file
.mpeMPEG Movie Clip
.mpfMS Design Gallery
MosASCII Project Workspace file
.mpgMpeg animation
.mpmMathplan macro (WordPerfect Library)
.mppProject file (MS Project)
CAD Drawing File
.mpqBlizzard Game Data file
.mprGenerated program (FoxPro)
.mpsMultimedia File
Casio PDL Pocket Streets Map
.mptBitmap graphics (Multipage TIFF)
Template File (MS Project)
.mpvView file (MS Project)
.mpwMosASCII Project Workspace file
.mpxCompiled menu program (FoxPro)
.mrbMultiple Resolution Bitmap graphics (MS C/C++)
.mrcMIRC Script file
Bibliographic Data Format
.mrkInformative Graphics markup file
.mrsMacro Resource file (WordPerfect for Win)
.mscMS C makefile
.msdMS Diagnostic Utility Report
.msfMultiple Sequence file
.msgMessage
.msiWindows Installer file
.msmMultiSIM Circuit Diagram
.msoMath Script Object file
MS FrontPage file
MS Word OLE Web Page Storage Stream
.mspBitmap graphics (Microsoft Paint)
.mspxXML based Web Page
.mssManuscript text file (Perfect Writer - Scribble - MINCE - Jove)
.mstChemFinder Chemical Structure Index
DATAIR Pension System Master file
Minispecification file (Prosa)
Setup script (MS Windows SDK)
Visual Test Source file
.msvSony Memory Stick Format
.mswText file (MS Word)
.mswmmWindows Movie Maker Project file
.msxCompressed CP/M file archive created by MSX
.mtdDigital Sheet Music
.mthMath file (Derive)
.mtmMultitracker Module music
.mtsViewpoint iPix file
.mtwDatafile (Minitab)
.mtxTemporary File often used by a browser or TWAIN device
Viewpoint iPix file
.muMenu (Quattro Pro)
.mu3Myriad Music file (packed sounds & digital tracks)
.mufProtoMuck Multi User Forth Program
.mulUltima Online Game
.musMusicTime Sound file
Myriad Music file
.mvbDatabase
MS Multimedia viewer file
.mvcMusic Collector Collection Manager file
.mvdMicroDVD (DVD movie file)
.mvfStop frame file (AutoCAD AutoFlix)
.mviMovie command file (AutoCAD AutoFlix)
.mvwLog file (Saber LAN)
.mwfAnimation (ProMotion)
.mwpLotus Wordpro 97 Smartmaster file
MegaWorks Pack file
.mwvMovieWorks file
.mxdGIS Project file
.mxeMacro Express
Mindex Effect Album
.mxfMaterial eXchange Format
.mxmMS Project/Outlook Team Assign Task
.mxpMacromedia Extension Manager
ArcReader Published Map
.mxtData (MS C)
.mypPresentation (MM Make Your Point)
.myrMyriad Music file
.mysMyst Saved Game
.mytMyriad Tutorial file
.na2Netscape Mail file
.namMS Office Name file
.napNaplps file (VideoShow) (EnerGraphics)
.navMSN Application Extension
.nbText file (Nota Bene)
.ncGraphics (netcdf)
Instructions for NC (Numerical Control) machine (CAMS)
.ncbMS Developer Studio file
.nccCnc (Computer Numeric Control) control file (CamView 3D)
.ncdCoverDesigner
Norton Change Directory support file (Norton Commander)
NTI CD-Maker file
.ncfLotus Notes Internal Clipboard
Netware Command file
.nchOutlook Express folder file
On Hold message/music file
.ndbNetwork database (Intellicom - Compex)
.ndeVideo format - various manufactures of surveillance camera systems
.ndxIndex file (dBASE II - III - IV - dBFast)
.nebNortec H.E.L.P.
.nedMSN Application Extension
.neoRaster graphics (Atari Neochrome)
.nesNintendo Entertainment System ROM Image
.netNetwork configuration/info file
.newNew info
.nfoInfo file
.ngOnline documentation database (Norton Guide)
.ngfEnterasys Networks NetSight generated format file
.nggNokia Group Graphics
.nifNetImmerse File Format
.nlmNetware Loadable Module
.nlsCode Page National Language Support
.nlxForm (FormWorx 3.0)
.nmdSwordSearcher file
.nmiSwordSearcher file
.nmoVirtools Behavioral Objects
.nmsNumega Softice\'s Loader file
Virtools Graphical Scripts
.nnbnewnovelist Story Outline
.nobVersaPro Word Exchange file
.nolNokia Operator Logo
.notAcrobat Spelling file
ActiveNote Post-It-Notes
.nowText file
.npProject schedule (Nokia Planner) (Visual Planner 3.x)
.npaReliaSoft Weibull++ 6
.npiSource for DGEN.EXE intepreter (dBASE Application Generator)
.nraNero Audio-CD Compilation
.nrbNero CD-ROM Boot Compilation
.nrgNorton Registration Entries
Nero CD-Image
IsoBuster file
.nriNero ISO CD-ROM compilation
.nrliManage file
.nscNoder file (Polish)
Windows Media Station file
.nsfLotus Notes / Domino database
.nsiNullsoft Install System Script
.nstMusic (NoiseTracker)
.ntStartup files (Windows NT)
.ntfLotus Notes / Domino template file
.ntpNeato CD Labels
.ntrExecutable ASCII text file (strip header and rename) (netrun31.zip)
.ntsTutorial (Norton)
Executable ASCII text file (strip header and rename) (netsend1.zip)
.ntxIndex (Clipper 5)
.ntzInVircible Directory Integrity Information
.nufMessage for new users on their 1st call (Procomm Plus)
.nwcNoteworthy Composer song file
.nwsInfo text file (latest news) (ASCII)
.nxtSound (NeXT format)
.o Object file (unix - Atari - GCC)
.o$$Outfile (Sprint)
.oazFax (NetFax Manager)
.obObject cut/paste file (IBM LinkWay)
.obdMS Office Binder
.objObject code (Intel Recolatable Object Module)
.obrObject browser data file (Borland C++)
.obsScript (ObjectScript)
.obvVisual interface (ObjectScript)
.ocaControl Typelib Cache
.ocfObject Craft File (Object Craft)
.ocmAOL Advertising Control files
Internet Odyssey 2 Update
.ocpAdvanced Art Studio
Offline Commander Project file
.ocrIncoming fax transcribed to text (FAXGrapper)
.octRadiance Octree Format
.ocxOLE custom control
.odfOpen Document Interchange
BattleZone Cartographers Guild file
Star Trek Armada Ship/Structure Infomation
.odlType library source (Visual C++)
.oebOutlook Express Backup Wizard
.ofcOpen Financial Connectivity file
.ofdForm definition (ObjectView)
.offObject File Format vector graphics
.ofmAdobe font
.oftMS Outlook Item Template
.ofxOlicom Fax
Open Financial Exchange file
.oggOgg Vorbis Codec Compressed WAV file
.ogmOgg Vorbis Compressed Video file
.oktMusic (Oktalizer)
.olbObject library (VAX)
.oldBackup file
.oleObject Linking and Embedding Object
.oliText file (Olivetti)
.omgOpenMG Jukebox
.omsBriggs Softworks Order Maven
Macintosh MP3 Music Format
Omega Downloader Configuration file
.ondLotus Notes-related file
.oomSwap file (Shroom)
.opdOmnipage file
.opfFlip Album file
.oplPsion Organiser Programming Language Source file
.opnActive options (Exact)
.optOptimize support file (QEMM)
.opwOrganization chart (Org Plus for Windows)
.opxInactive options (Exact)
.or2Lotus Organizer 2 file
.or3Lotus Organizer 97 file
.or4Lotus Organizer file
.or5Lotus Organizer file
.oraParameter file (Oracle)
.orgCalendar file (Lotus Organizer)
.osdOpen Software Description file
.ossMS Office Saved Search
.ostMicrosoft Outlook Offline file
.otfOpen Type Format
.otlOutline font description (Z-Soft Type Foundry)
.otxText file (Olivetti Olitext Plus)
.outOutput file
.ov1Overlay file (part of program to be loaded when needed)
.ov2Overlay file (part of program to be loaded when needed)
.ovdDatafile (ObjectVision)
.ovlOverlay file (part of program to be loaded when needed)
.ovrOverlay file (part of program to be loaded when needed)
.ovwCool Edit Pro Overviewfile
Cubase .WAV File Image
DIANA Overview file
.owsWeb Studio 2 Project file
.p Pascal source code file
Rea-C-Time application parameter file (ReaGeniX code generator)
Picture file (APPLAUSE)
.p16Music (16 channels) (ProTracker Studio 16)
.p22Patch file (Patch22)
.p65Adobe Pagemaker v6.5
.p7mPKCS #7 MIME Message
.paPrint Artist
.pa1Worktable (PageAhead)
.pabMicrosoft Outlook personal address book
.pacStad Image (graphics ?)
Package (SBStudio II)
.padKeypad definition (Telemate)
.pafPARIS audio format
Personal Ancestral file
.pakCompressed file archive created by PAK (pak251.exe)
.palAdobe Pagemaker Library Palette
Color Palette
Compressed File
Tree Professional Palm Creator file
.panPrinter-specific file (copy to coreldrw.ink) (CorelDRAW)
.parParts application (Digitalk PARTS)
Parameter file (Fractint)
Permanent output file (Windows 3.x)
.pasPascal source code file
.patHatch patterns (AutoCAD - Photostyler)
Vector fill files (CorelDRAW)
.pbFax (FAXability Plus)
Phonebook (WinFax Pro)
Setup file (PixBase)
.pb1Document (First Publisher for Windows)
.pbaPowerbasic BASIC source code (Genus)
.pbdPhone book (FaxNOW! - Faxit)
.pbfTurtle Beach Pinnacle Bank file
Grand Prix Legends BMAP file
PBook E-book Format (renamed ZIP file)
Portable Bitmap Format file
.pbiPowerbasic include file (Genus)
Profiler Binary Input (MS Source Profiler)
.pbkMicrosoft XP Remote Access Phonebook file
.pblPowerbasic library (Genus)
.pbmPbm Portable Bit Map graphics
Planar bitmap graphics (XLib)
.pboProfiler Binary Output (MS Source Profiler)
.pbrMicrosoft Publisher backup file
.pbtProfiler Binary Table (MS Source Profiler)
.pcText file containing IBM PC specific info
.pc3Custom palette (Harvard Graphics 3.0)
.pc8Ascii text IBM8 character set (NewWave Write)
.pcbBroderbund Print Shop Business Card
Ivex Winboard Design file
MS PowerPoint Application Data file
Protel Technology Advanced PCB Design
.pccCutout picture vector graphics (PC Paintbrush)
.pcdGraphics (Kodak PhotoCD)
.pcfProfiler Command File (MS Source Profiler)
.pchPatch file
Precompiled header (MS C/C++)
.pcjMultimedia authoring tool graphics (IBM\'s Linkaway-Live)
.pckPickfile (Turbo Pascal)
.pclHP-PCL graphics data (HP Printer Control Language)
.pcmPlasmacam CAD/CAM system file
.pcsPICS Animation
.pctBitmap Graphic
Honeywell GUS Display Builder
Macintosh Quickdraw/PICT Drawing
.pcwText file (PC Write)
.pcxBitmap graphics (PC Paintbrush)
.pdSynerGEE Stoner software files (compressible pipe flow program)
.pdaBitmap graphics
.pdbData (TACT)
.pdcPersonal Database Creator file
.pddAdobe PhotoDeluxe Image
.pdePrincipalm Data Extract files
Processing Environment text files
.pdfAdobe Portable Document Format
Package Definition File
Graphics file (ED-SCAN 24bit format)
.pdgPrintshop Deluxe files
.pdlProject Description Language file (Borland C++ 4.5)
.pdrPort or printer driver
.pdsIncredimail
Source Code File
Telsis HiCall Program File
Pds graphics
Planetary Data System
Pldasm source code file (hardware assembly)
Print Shop Graphic
.pdtProCite Primary Database
VersaPro Compiled Block
.pdvPrinter driver (Paintbrush)
.pdwDocument (Professional Draw)
.pdxAdobe Acrobat index file
.pe4Photo Explorer Thumbnail
.pebProgram Editor bottom overflow file (WordPerfect Library)
.pedProgram Editor delete save (WordPerfect Library)
.pemProgram Editor macro (WordPerfect Library)
.peqProgram Editor print queue file (WordPerfect Library)
.perProgram Editor resident area (WordPerfect Library) (vakioalue)
.pesProgram Editor work space file (WordPerfect Library)
.petProgram Editor top overflow file (WordPerfect Library)
.pfMonitor/printer profile file
.pfaType 3 font file (unhinted PostScript font)
.pfbType 1 font file
.pfcText file (First Choice)
.pfgjEEPers file
.pfkProgrammable function keys (XTreePro)
.pfmWindows Type 1 font metric file
.pfsDatabase (PFS:FILE) - text file (PFS:Write)
.pftPrinter font (ChiWriter)
.pgPage cut/paste file (IBM LinkWay)
.pgiPrinter Graphics File device driver (PGRAPH library)
.pgmPortable Grayscale bitMap graphics
Program (Signature)
.pgpSupport file (Pretty Good Privacy RSA System)
.pgsManual page (man4dos)
.phOptimized .goh file (Geoworks)
Perl header file
Phrase-table (MS C/C++)
.phbNewLeaf PhraseBook
ClustaW Tree file
TreeView file
PhoneB Phonebook file
.phnPhone list (UltraFax - QmodemPro)
.phpMS Picture It! Publishing Project File
PhotoParade
PHP Script
.phoPhone database (Metz Phone for Windows)
.phrPhrases (LocoScript)
.picPixar picture file (SDSC Image Tool)
Bitmap graphics (Macintosh b&w PICT1 - color PICT2)
Bitmap graphics (many eg. Lotus 1-2-3 - PC Paint)
.pifProgram Information File (Windows 3.x)
Vector graphics GDF format (IBM mainframe computers)
.pipPersonalized menu and toolbar (MS Office)
.pitCompressed Mac file archive created by PACKIT (unpackit.zoo)
.pixAlias image file (SDSC Image Tool)
.pj64Project 64 game files
.pjProject (CA-SuperProject)
.pjtProject memo (FoxPro)
.pjxProject (FoxPro)
.pkPacked bitmap font bitmap file (TeX DVI drivers)
.pk3American McGee Alice Archive
Return to Castle Wolfenstein file
Heavy Metal: F.A.K.K.2 Archive
Quake 3 Arena Archive (renamed zip file)
.pkaCompressed file archive created by PKARC
.pkdTop Secret Crypto Gold file
.pkgInstaller script (Next)
.pktFidonet packet
.plPerl source code file
Prolog source code file
Property List font metric file (TeX)
Palette (Harvard Graphics)
.pl1Room plan (3D Home Architect)
.pl3Chart palette (Harvard Graphics 3.0)
.plbLibrary (FoxPro)
.plcAdd-in file (functions - macros - applications) (Lotus 1-2-3)
.pllPre-linked library (Clipper 5)
.plnSpreadsheet (WordPerfect for Win)
.plrDescent Pilot file
Player file
.plsDisorderTracker2 Sample
WinAmp MPEG PlayList file
Shoutcast file
MYOB Data file
.pltAutoCAD HPGL Vector Graphic Plotter file
Bentley\'s CAD MicroStation Driver Configuration for Plotting
Clipper 5 Pre-linked Transfer file
Gerber Sign-making Software file
HP Graphics Language
Infinity Game Engine Bitmap Graphic
Lotus Organiser Paper Layout Definition
Palette
X-wing vs. Tie Fighter Pilot file
.plyData (PopMail)
Presentation screen (Harvard Spotlight)
.pmBitmap graphics (Presentation Manager)
.pm3Document (PageMaker 3)
.pm4Document (PageMaker 4)
.pm5Document (PageMaker 5)
.pm6Document (Pagemaker 6)
.pmcGraphics (A4TECH Scanner)
.pmdPagemaker file
.pmePlazmic Media Engine file
.pmfArcReader GIS Mapping file
.pmmProgram file (Amaris BTX/2)
.pmoPrint Master Gold Text
.pmxPegasus Mail file
.pn3Printer device driver (Harvard Graphics 3.0)
.pnfPrecompiled Setup Information (Temporary file seen during installs)
.pngBitmap graphics (Portable Network Graphics)
.pnmPbm Portable aNy Map (PNM) graphics
.pntMacintosh painting
Qwk reader pointer file (MarkMail 2.x)
.pohOptimized .goh file (Geoworks)
.popMessages index (PopMail)
Pop-up menu object (dBASE Application Generator)
.posProCite Output Styles
QuickPOS IIF file
.potPowerPoint template
.povRaytraced scene description file (Persistence Of Vision)
.powChord chart (PowerChords)
.ppCompressed Amiga file archive created by POWERPACKER
.ppaPowerPoint Add-in
.ppbButton bar for Print Preview (WordPerfect for Win)
.ppdPostScript Printer Description (Acrobat)
.ppfTurtle Beach Pinnacle Program file
Jasc Paint Shop Pro 7 Preset file
Micrografx Picture Publisher file
PlayStation Patch file
.ppgMS PowerPoint Ppresentation
Professor Franklin\'s Photo Print Gold
.pplPolaroidpaletteplus ColorKey device driver (Harvard Graphics 3.0)
.ppmPortable Pixel Map graphics
.ppoPre-processor output (Clipper 5)
.pppPublication (PagePlus)
.ppsPowerPoint Slideshow
Storyboard (Personal Producer)
.pptGeneral file extension (PowerPoint)
.ppzPowerPoint Packaged Presentation
.pqaPalm Query Application File (database for wireless access)
.pqiPower Quest Drive imaging
.pr2Presentation (Aldus Persuasion 2.x)
.pr2Printer driver (dBASE IV)
.pr3Postscript printer driver (dBASE IV)
Presentation (Aldus Persuasion 3.x)
.prcPalmpilot resource file
Picture Gear Pocket
.prdPrinter driver (many)
.prePresentation (Freelance Graphics)
Settings (Programmer\'s WorkBench - MS C/C++)
.prfPixel Run Format graphics (Improces - Fastgraph)
Printer driver (dBASE IV)
Profiler output
.prgProgram (Atari)
Program source (dBASE IV - FoxPro - Clipper 5 - dBFast)
.priPrinter definitions (LocoScript)
.prjProject
.prmParameters
MYOB Premier file extension
.prnDataCAD Windows Printer file
HP Printer Control Language
PostScript file
Printer Text file
XYWrite Printer Driver
.proProlog source code file
Graphics profile file (DOS)
.prsPrinter Resource eg. fonts (WordPerfect for Win)
Presentation (Harvard Graphics Win)
Procedure (dBASE IV)
.prtCADKEY Part file
Printer Configuration
Printer driver (Dr.Halo)
Printer-formatted file
Pro/ENGINEER Model file
Process Revolution Template file
SCEdit Part file
Unigraphics Part file
.prxCompiled program (FoxPro)
.przFreelance Graphics 97 file
.psPostscript file (text/graphics) (ASCII)
.psbPinnacle Sound Bank
Project Scheduler Configuration file
.psdGraphics (Photoshop 3.0)
Design II for Windows
.pseBitmap graphics (IBM printer Page SEgment)
.psfOutline PostScript printer font (ChiWriter)
PrintShop Mail Favorites
.psiPSION A-law Audio
File extenstion for Pierresoft Adesign Image
.psmMusic (MASI - ProTracker)
PrintShop Mail
Symbol table of IDE (Turbo Pascal)
.psmdocPrintShop Mail
.pspPaintShop Pro Image
Procedure (Prodea Synergy)
Project Scheduler Planning file
.psrProject Scheduler Resource file
.pstMS Outlook personal folder
.pswWinXP Backup Password File
.pt3Device driver (Harvard Graphics 3.0)
Template (PageMaker 3)
.pt4Template (PageMaker 4)
.ptbScript (PubTech BatchWorks)
.ptmMacro (PubTech BatchWorks)
.ptnPaperPort Thumbnail Images
.ptpAct! Modem Sync file
.ptrQwk reader pointer file (QMail)
.ptsInfinity Engine Game Tileset
Halflife Map Creation Debug file
.ptxReal Legal E-Transcript
.pubPage template (MS Publisher)
Public key ring file (Pretty Good Privacy RSA System)
Publication (Ventura Publisher - 1st Publisher)
.putCompressed file archive created by PUT (put334.zip)
.puzAcross Lite Crossword Puzzle
Packed MS Publisher file
.pvaHauppauge DVB-Software
.pvdScript (Instalit)
.pvlLibrary (Instalit)
.pvtLocal Fidonet pointlist
.pwText file (Professional Write)
.pwdPocket Word document
AutoCAD Password file
.pwlPassword List
.pwpText document (Professional WritePlus)
.pwzMS Powerpoint Wizard
.pxPrimary database index (Paradox)
.pxlPocket Excel Spreadsheet
.pxvModelworks Project File used in JPad Pro and SitePad Pro
.pyPython script file
.pycCompiled PYTHON script file
.pydBinary Python Extension on Windows
.pywPython GUI Script on Windows
.pz2Curious Labs Poser Pose file
.pz3Curious Labs Poser Document
.pzaMGI PhotoSuite II/III/4 Album file
.pzdDefault settings (Pizazz Plus)
.pzlJigs@w Puzzle
Lode Runner Game Puzzle
Puzzle
.pzoOverlay file (Pizazz Plus)
.pzpMGI PhotoSuite II/III/4 Project file
Palette (Pizazz Plus)
.pzsSettings (Pizazz Plus)
.pztTransfer file (Pizazz Plus)
.pzxSwap file (Pizazz Plus)
.q9qBladePro Graphic Plugin file
.qadQuickArt database
.qagQuick Access Group (Norton Desktop)
.qapApplication (Omnis Quartz)
.qbbQuickBooks for Windows Backup file
.qbeSaved query (Query By Example) (dBASE IV - Quattro Pro)
.qblBusiness Lawyer Document
.qboCompiled query (dBASE IV)
.qbrQuickBooks Report
.qbwSpreadsheet (QuickBooks for Windows)
.qcnQualcomm Phonebook file
.qcpQualcomm PureVoice File
Contains data frames generated by QCELP 13K vocoder
.qd0Data file - segment 10 (Omnis Quartz)
.qd1Data file - segment 1 (Omnis Quartz)
.qd2Data file - segment 2 (Omnis Quartz)
.qd3Data file - segment 3 (Omnis Quartz)
.qd4Data file - segment 4 (Omnis Quartz)
.qd5Data file - segment 5 (Omnis Quartz)
.qd6Data file - segment 6 (Omnis Quartz)
.qd7Data file - segment 7 (Omnis Quartz)
.qd8Data file - segment 8 (Omnis Quartz)
.qd9Data file - segment 9 (Omnis Quartz)
.qdatQuicktime Installer Cache
.qdbQuicken data file
.qdfQuicken for Windows data file
.qdtQuark Xpress Dictionary file
Question Mark Designer Test file
QuickBooks UK Accountancy Data file
Quicken Data file
.qdvGraphics (Steve Blackstock Giffer)
.qe4Kingpin Project file
.qefQuery file (Q+E for MS Excel)
.qelQuicken Electronic Library file
.qflQuicken Family Lawyer file
.qfxFax (QuickLink)
.qicBackup set for Microsoft Backup
.qifQuicken Interchange Format
Quicktime Image
.qixNovaStar Backup file
Quicken for DOS v.2 data file
.qlbQuick library (MS C/C++)
.qlcData (PostScript help file) atmfonts.qlc
.qlfFamily Tree Maker Genealogy file
.qlpPrinter driver (QuickLink)
.qm4Options or services file (QMail 4.x Mail Door)
.qprGenerated query program (FoxPro)
Print queue device driver (OS/2)
.qpwQuattro Pro Project file
.qpxCompiled query program (FoxPro)
.qrpCentura Report Builder file
Liberty for Windows report file
.qrsEquation Editor support file (WordPerfect for Win)
.qrtQrt ray tracing graphics
.qryQuery (dBASE IV)
.qsdQuicken for Windows data file
.qstQuake Spy Tab file
.qtQuicktime movie (animation)
.qtcIncite Media Assistant file
.qtkApple QuickTake file format for Windows
.qtpQuickTime Preferences
Astra Quicktest Report
.qtsMacintosh PICT image
QuickTime image
.qtxQuickTime image
.queCuteFTP Queue file
Task Scheduler Queue Object
.qvmQuake file
.qvsCasio Digital Camera file
.qwkQwk reader message file
.qxdDocument (QuarkXPress)
.qxlElement library (QuarkXPress)
.qxtTemplate file (QuarkXpress)
.r Ratfor (FORTRAN preprosessor) file
.r33Train Simulator Game file
.r8Raw graphics (one byte per pixel) plane one (PicLab)
.r8pPcl 4 bitmap font file (Intellifont)
.raMusic (RealAudio)
.ramRamfile (RealAudio)
.rarCompressed file archive created by RAR (rar1_402.exe)
.rasSun Rasterfile graphics
.ratDatafile (RATS)
.rawRaw RGB 24-bit graphics
.rbfDatafile (Rbase)
.rbnRichard\'s Bridge Notation
Real Sound file
.rbxFormat for playing RapidPlayer v3.0 ActiveX Control in Internet Explorer
.rcResource script (MS C/C++ - Borland C++)
Configuration (emacs)
.rcgNetscape newsgroup file (netsc.rcg)
.rcpRecomposer\'s MIDI Sequencer Music file
.rcxLego Mindstorms Robotics Invention System
.rdbTrueVector Rules database
ZoneAlarm Rules database
.rdfCompiled UIC source code (Geoworks UI Compiler)
.rdiDevice-independent bitmap file (RIFF RDIB format)
.rdsRay Dream Studio file
.rdxDatafile (Reflex)
.recDatafile (EpiInfo)
Record file (Sprint)
Recorded macro file (Windows 3.x)
.redPath info (Clarion Modula-2)
.refCross-reference
.regOle Registration (Windows 3.x)
Registration (Corel programs)
.remRemarks
.repQwk reader reply file
Report (Report Designer - CodeReporter - DataBoss)
.reqRequest
.resCompiled resource (MS C/C++ - Borland C++)
Dbase resources (dBASE IV)
.revRevision file (Geoworks)
.rexRexx source code file
.rexReport definition (Oracle)
.rezResource file
.rfSun raster graphics
.rftDca/RFT Revisable Format Text file (IBM DisplayWrite 4.0-5.1)
.rgbSgi RGB image file (SDSC Image Tool)
.rgiRealArcade Game Installer
.rgpRealArcade Game Package
.rgsRealArcade Game Installer
.rgxSymbol tables etc. info (ReaGeniX code generator)
.rhResource header file (Borland C++ 4.5)
.riData (Lotus 1-2-3)
.ribGraphics in Renderman format (3DReality)
.ricFax (Ricoh)
.rifRiff bitmap graphics (Fractal Design Painter)
.ripGraphics (Remote Access)
.rixBitmap graphics (ColorRIX VGA Paint)
.rl4Bitmap graphics
.rl8Bitmap graphics
.rlaWavefront raster image file (SDSC Image Tool)
.rlbData (Harvard Graphics Win) hgw.rlb
.rlcGraphics 1bit/pixel scanner output
.rleUtah Run Length Encoded raster graphic (SDSC Image Tool)
.rlzRealizer source code file (CA-Realizer)
.rmfRich Map Format
.rmiMidi file (RIFF RMID format)
.rmjReal Jukebox file
.rmkMakefile (Clipper RMake)
.rmmRealPlayer file
.rmrResume Maker file
.rmvbVideo file for Realplayer
.rmxRealJukeBox MP3 file
.rnXpl program for Nota Bene users
.rndRendering Slide (AutoCAD AutoShade)
.roiActuate ReportBlast file
.rnoRunoff file (VAX)
.rolFm music Adlib Music File (Roland)
.rpdDatabase (RapidFile)
RosaPro file
RPV Printing System file
.rplText document (Replica)
.rpmRedHat Package Manager
RealMedia Player file
RunPaint Multicolor Graphic
.rpsPropellerhead Software Reason Song
.rptReport
.rrdERDAS Imagine file
.rsData file (Amiga Resource - Reassembler)
.rs_Resource fork of a Macintosh file (Mac-ette)
.rsbRed Storm Image Format
.rscResource file
.rsmReliaSoft MPC 3
RuneSword II Game
WinWay Deluxe Resume file
.rspResponse file
.rssRockwell Logix PLC file
.rstANSYS Results
ReliaSoft BlockSim
.rswReliaSoft BlockSim
.rtfRich Text Format text file (many - Windows Word)
Windows Help file script
.rtlRun Time Library (NU 7.0)
Text file
.rtpRtpatch software update package data file
.rtsRuntime library file (CA-Realizer)
.rtxReliacast Audience Manager Turnstile
Mobile Phone Ringtone
.rulInstallShield
.rvpMS Scan Configuration file
.rvwReview
.rwsResource Workshop data file (Borland C++)
.rwxScript (RenderWare)
.rwzMS Outlook Rules Wizard file
.rzrin-sync Speed Razor Project file
.rzxin-sync Speed Razor Project file
.s Assembly source code file (unix)
Scheme source code file
.s$$Temporary sort file (Sprint)
.s3mMusic (16 channels) (Scream Tracker 3.0)
.sacShared Asset Catalog (Adobe)
.safMusicMatch Jukebox Secure Audio file
Safe File Encryption (Helix Software)
Twelve Ghosts file
.sahSETI@Home data file
.salDatafile (SORITEC)
.samText file (Samna - Lotus Ami/Ami Pro)
.sarCompressed file archive created by SAR (sar1.zip)
.savBackup file (saved file)
Configuration
Saved game situation (eg. NetHack)
.sbAudio file (signed byte)
.sbcSagebrush Corporation Spectrum CIRC/CAT Report
.sbdStoryboard (Storyboard Editor)
.sbiSound Blaster Instrument file (Creative Labs)
.sbpDml program (Superbase 4)
.sbrSupport file (Source Browser)
.sbsSWAT HRU Output file
.sbtNotes related to record (Suberbase 4 Windows)
.scPal script (Paradox)
Display driver (Framework II)
.sc3Renamed dBASE III screen mask file (dBASE IV)
Screen device driver (Harvard Graphics 3.0)
.scaDatafile (SCA)
.sccText file
.scdScodl Scan Conversion Object Description Language graphics
.scfMultimedia show (ScoreMaker)
Spelling checker configuration (Symphony)
.schProject schedule (Schedule Publisher)
Schematics file (ORCAD)
.sciSystem Configuration Information
Fax (SciFax)
.scmScheme source code file
SchematicMaker file
.scnScreen file (Kermit)
.scoHigh score
.scpScript (BITCOM)
.scrDebug source code file (DOS Debug)
Screen - screen snapshot (dBASE IV - Procomm Plus)
Screen font (LocoScript)
Screen saver (Windows 3.x)
Script (Kermit - 1st Reader)
.sctScreen memo (FoxPro)
.scxBitmap graphics (ColorRIX)
Chart (Stanford Chart)
Screen (FoxPro)
.scySecurity file (ReaGeniX)
.sdaFidonet\'s Software Distribution Network file archive description
.sdcStarOffice Spreadsheet
.sddStarOffice Presentation
.sdfSystem Data Format file (fixed lenght ASCII text)
.sdiSoftware Distribution Network Info file
.sdnSoftware Distribution Network compressd file archive (pak251.exe)
.sdrSmartDraw file
.sdtSmartDraw Template
Dungeon Keeper 2 Archive
Theme Park World Archive
.sduEdwards Systems Technology file
.sdwStarOffice Text
Raw Signed DWord Data
Lotus WordPro Graphic
.seaSelf-Extracting compressed Macintosh file Archive
.secCyberPaint animation file (sequence)
Secret key ring file (Pretty Good Privacy RSA System)
Secured animation file (Disney Animation Studio)
.sepPrinter separator page
.seqAtari animation file
Sequential Instruction File (Bubble Chamber)
.sesSession info (Clarion Modula-2)
.setConfiguration (1st Reader)
Driver sets created by Install (Symphony)
Setup options file
.sfIrcam Sound File (CSound package - MixView sound sample editor)
Wps attribute storage (OS/2 WorkPlace Shell) wp_root.sf
.sffFritz Fax-Print file
Stage Scene file
Structured Fax Format
.sfiGraphics (SIS Framegrabber)
Printer font (HP LaserJet landscape) (Ventura Publisher)
.sflPcl 4 bitmap font (landscape) (Intellifont) (Ventura Publisher)
.sfnFont (SPX)
.sfpPcl 4 bitmap font (portrait) (Intellifont) (Ventura Publisher)
.sfsPcl 5 scalable font file (Intellifont)
.sftScreen font (ChiWriter)
.sfvQuickSFV/WinSFV Checksum file
Simple File Verification (Easy SFV Creator)
.sfwSeattle Film Works file
.sg1Graphics (Stanford Graphics)
.sgfDocument with graphics (Starwriter)
Smart Game Format
Sonique Skin
.sgiGraphics (IRIS - Silicon Graphics)
.sgmRun-Time Help Files
Structured Generalized Markup
SoftQuad XMetaL File
.sgnSierra Print Artist Sign
.sgpStatistics (STATGRAPHICS Plus)
.sgtSave/get keyboard macro (Signature)
.shUnix shell script
Unix ASCII file archive created by SHAR (unshar.zip)
.sh3Presentation (Harvard Graphics 3.0)
.shbBackground (CorelShow)
.shdPrint Spooler Shadow file
.shgSegmented-graphics bitmap
.shkCompressed Apple II file archive created by SHRINKIT
.shmShell macro (WordPerfect Library)
.shnShorten audio compression file
.shpShape file and source file for text fonts (AutoCAD)
.shrUnix ASCII file archive created by SHAR (unshar.zip)
.shsMicrosoft Word or Excel scrap file which is created when you drag and drop selected text
.shtmlHTML File with Server Side
.shwPresentation (Harvard Graphics 2.0 - CorelShow)
Slide show (WordPerfect Presentations)
.shxShape entities (AutoCAD)
.sidCommodore64 Music file
LizardTech MrSID Photo
.sifSetup Installation Files info (Windows NT Setup)
.sigCurrent program settings (Signature)
PrintShop Sign file
Signature file (PopMail)
.sikBackup file (Sicherungskopie) (MS Word)
.simAurora
PC Finder 2002C
PowerDVD file
Simulation (various)
.sisSymbianOS Installer file
.sitCompressed Macintosh archive created by STUFFIT (unsit30.zip)
.skbSketchUp software file (3D Design Tool)
.skfAutosketch file
.sknInterface skins images (FileWrangler, SecurDesk!, SecurDesk! LV, ZipWrangler)
.skpSketchup software component (3D Design Tool)
.slS-Lang source code file
.slbSlide library (AutoCAD)
.slcCompiled SALT script (Telix)
.sldSlide (AutoCAD)
.sliSlide (MAGICorp Slide Service)
.slkSylk Symbolic Link format data file (MultiPlan)
.sllSound data file
.sltSalt Script Application Language for Telix script source (Telix)
.smSmalltalk source code file
Maillist (SoftSpoken Mailer)
Script (ScriptMaker)
Text file (Samna Word)
.smcSuper Nintendo Game-console ROM Image
.smdStarOffice Mail
.smfFax (SMARTFAX)
.smiRealPlay SMIL file
Self Mounting Image file
.smkCompressed File (Smacker)
.smmMacro (Ami Pro)
.smpSample (sound file)
.smsMicrosoft Package Definition file
Sega Master System Emulator
.smtText file (Smart Ware II)
.sndDigitized sound file (Macintosh/ATARI/PC)
.sngSong (midi sound) (Midisoft Studio - Prism)
.snmNetscape mail
.snoSnobol4 source code file
.snpCoffeeCup HTML Editor Snippet
Computer Eyes Video Output
Microsoft Access Snapshop
Snapview Shapshot
.snxMirage Microdrive Snapshot Extended Version
Second Nature Software Graphic
StarCraft Saved file
.solSolution eg. game walkthroughs
.somNetwork serial numbers (Quattro Pro)
Sort information (Paradox)
.sonSong (SBStudio II)
.souSound data (sound tool)
.spCompressed file archive created by SPLINT (unix)
.spaMacromedia FutureSplash file
Smart Protocol Analyzer Real Time Communication Data
SmartPA Saved Capture file
Thermo Nicolet OMNIC file
.spcProgram (MS Multiplan)
Temporary file (WordPerfect for Win)
Super Nintendo SPC700 sound file
.spdScalable font (Speedo) (Harvard Graphics 3.0)
.spfSlide presentation file (EnerGraphics)
.spgGlossary (Sprint)
.spiGraphics (Siemens and Philips scanner)
.splCompressed file archive created by SPLINT (splint.arc)
Customized printer driver (Sprint)
Personal spell dictionary (Signature)
Print spooling file (Windows 3.x)
Sample
.spmData (WordPerfect) wp{wp}.spm
.spoStatistical Program (SPSS)
.sppPrinter file (Sprint)
.sprDocument letter (Sprint)
Genarated screen program (FoxPro)
Sprite
.spsSpssx source code file (VAX/VMS)
Screen driver (Sprint)
.sptSpitbol source code file
Support file (MITAC disk/system management utility pack)
.spwWorksheet (SigmaPlot)
.spxCompiled screen program (FoxPro)
.sqlSQL report or query
.sqzCompressed file archive created by SQUEEZE (sqz1083e.exe)
.srcSource (DataFlex)
.srfSun Raster File graphics
.srpScript (QuickLink)
.srtBSplayer Subtitle file
Omron CX-Supervisor
SDR99 Speech Recognition Task Speech Recogniser Transcript
.ssBitmap graphics (Splash)
.ssaSubtitles
.ssbSmartSync Pro
.ssdDatafile (SAS/PC)
.ssfEnable Spreadsheet file
.ssmRealPlayer Standard Streaming Metafile
.sspDatafile (SAS Transport)
.stSmalltalk source code file (Little Smalltalk)
Instrument library (Scream Tracker)
Stamp (NeoPaint)
.st3MIDI Karaoke file
.staSaved state (Reflection 4.0)
Stack (Spinmaker Plus)
.stbStub library (Genus GX Kernel)
.stdState Transition Diagram graphic file (Prosa)
Standard (something..) (LocoScript)
.stfCompressed file archive created by SHRINKTOFIT
.stgActiveSync (Microsoft)
.stmState Transition Diagram model file (Prosa)
Music (Scream Tracker)
.stnArcView Geocoding Standardization file
STiNG file
.stoPascal stub OBJ file (Genus GX Kernel)
.stpPageKeeper Packed Storage file
DART Pro 98 system settings
AP203 Step file
.strStructure list object file (dBASE Application Generator)
.stsProject status info (MS C/C++)
Song format (Scream Tracker)
.sttAutomap Template
SureThing CD Labeler Template file
.stuTarantella Enterprise 3 3270 Emulator Style file
xyALGEBRA file
.stwData file (SmartTerm for Windows)
.stxElectronic book (SmarText)
Tax form (CA-Simply Tax)
.styStyle library or sheet (many text and graphics programs)
.subCloneCd related file
.suiSuit library (Simple User Interface Toolkit)
.sumSummary
.sunSun rasterfile graphics
.supSupplementary dictionary (WordPerfect for Win)
.sv4RollerCoaster Tycoon Saved Game
.svdAutosave file for document (MS Word)
.svgAutosave file for glossary (MS Word)
.svpWISCO Survey Power
Sonique Visual Plugin file
SwiftView Command file
.svsAutosave file for style sheet (MS Word)
.swAudio file (signed word)
.swdStorybook file
Sabiston Textbook
.swfShockWave Flash object
.swgSwag packet (SWAG Reader)
.swiSwish Data file
.swkSwapkeys Keyboard File
.swpDocument backup (Sprint)
Swap file (DOS)
.sxwOpenOffice.org Writer 6.0 text file
Staroffice Word Document
.sy1Smartpix symbol library (Ami Pro)
.sy3Symbol file (Harvard Graphics 3.0)
.sydBackup of startup files created by QEMM (?) autoexec.syd
.symPrecompiled headers (Borland C++)
Program symbol table (many compilers and linkers)
Symbol file (Harvard Graphics 2.0)
.synSdsc Synu image file (SDSC Image Tool)
Synonym file (MS Word 5)
.sysDatafile (SYGRAPH - SYSTAT - SPSS/PC)
System file - device driver or hardware configuration info (DOS)
.sywGraphics symbols (Harvard Graphics Win)
.t Tads source
Tape Archive (tar) without compression
Tester symbol table (ReaGeniX code generator)
.t44Temporary file for Sort or Index (dBASE IV)
.t64Program (C64S emulator)
.tabGuitar Tablature file
MapInfo Table
Diabetes Mentor file
.tagQuery tag name (DataFlex)
.tahTurbo Assembler Help file (Borland C++)
.talText illustration (TypeAlign)
.taoIsoBuster file
.tarCompressed file archive created by TAR (pax2exe.zoo)
.taxTurboTax file
.tazCompressed ASCII file archive created by TAR and COMPRESS (.tar.Z)
.tb1Font file (Borland Turbo C)
.tb2Font file (Borland Turbo C)
.tbfFax (Imavox TurboFax)
.tbhMah Jongg for Windows Tile Set
.tbkMemo backup (dBASE IV - FoxPro)
Toolbook (Asymetrix ToolBook)
.tblGraphics (native format) (PageMaker TableEditor)
Table of values (OS/2)
.tbsText elements ?? (Textbausteine) (MS Word)
.tbxTable (Project Scheduler 4)
.tcConfiguration (Turbo C - Borland C++)
.tchTurbo C Help file (Borland C++)
.tclTool Command Language source code (Swat)
.tcwDrawing (TurboCAD for Windows)
.tdConfiguration file (Turbo Debugger for DOS)
.td0Disk image file (Teledisk)
.td2Configuration file (Turbo Debugger for Win32)
.tdbDatabase (TACT)
.tdfFont (TheDraw)
Typeface definition file (Speedo)
.tdhHelp file (Turbo Debugger)
.tdkKeystroke recording file (Turbo Debugger)
.tdsSymbol table (Turbo Debugger)
.tdtASCII Data File in CSV Format
Daylight Fingerprint Data file
.tdwConfiguration file (Turbo Debugger for Windows)
.teeTeeChart Office graphic
.tefFax (Relisys TEFAX)
.telHost file (Telnet)
.temTurbo Editor Macro Language script (Borland C++)
Input template (IconAuthor)
.texTex text file (Scientific Word)
Datasheet (Idealist)
.tfConfiguration (Turbo Profiler)
Configuration (TinyFugue)
.tfaArea file (Turbo Profiler)
.tfcCatalogue file (Tobi\'s Floppy Cataloguer)
.tfhHelp file (Turbo Profiler)
.tfmTex Font Metric file (TeX)
Tagged font metric file (Intellifont)
.tfsStatistics (Turbo Profiler)
.tfwArcView World File For TIF Image
Digital Raster Graphic World
.tg1Project file (On Target)
.tgaTruevision Targa bitmap graphics
.tgzCompressed file archive created by TAR and GNUzip (.tar.gz)
.thbKinuPix Skin
.thdThread
.thmMicrosoft Clipart Gallery database
Serif DrawPlus Theme
.thnGraphics Workshop for Windows Thumbnail
.thsThesaurus dictionary (WordPerfect for Win)
.tifTagged Image File Format bitmap graphics (PageMaker - CorelDRAW)
.tilFuzzy logic knowledge base (Togai InfraLogic Fuzzy-C Compiler)
.timPlaystation Game Texture Image
The Incredible Machine Level File
.tisTile set (MahJongg 3.0)
.tixASA for UNIX Terminfo Extension file
DivX file
Hybrid Graphics file
Tix Widgets
.tjlBackup file (VAXTPU editor)
.tlbReference table (Bubble Chamber)
Text library (VAX)
.tlbType library (Visual C++)
.tlcCompiled Tool Command Language source code (Swat)
.tlpProject (TimeLine)
.tltTrellix Web Design file
.tmbTimbuktu Pro Connection Document
.tmdDocument (TextMaker)
.tmfTagged Font Metric file (WordPerfect for Win)
.tmoZtg global optimizer default output file (Zortech C++)
.tmpTemporary file
.tmqTestMaster file
.tmsScript (Telemate)
.tmvTemplate (TextMaker)
.tocTable Of Contents
.tolKodak Photoenhancer
.tosSelf-extracting file archive (Atari ST)
.tpConfiguration (Turbo Pascal)
Session-state file (Turbo Profiler)
.tp3Template (Harvard Graphics 3.0)
.tpbDownloadable PCL Soft font file backup (HiJaak)
.tpfDownloadable PCL Soft font file (HiJaak)
.tphHelp file (Turbo Pascal)
.tplResident units library (Turbo Pascal)
Template (Harvard Graphics 2.0)
.tppProtected Mode Units (Borland Pascal 7.0)
.tpsClarion for Windows data file
.tpuTurbo Pascal Unit (BGI) (Turbo Pascal)
Command file (VAXTPU editor)
.tpwSession-state file (Turbo Profiler for Windows)
Turbo Pascal Unit (BGI) (Turbo Pascal for Windows)
.tpzCompressed file archive created by TAR and GNUzip (.tar.gz)
.trSession-state settings (Turbo Debugger for DOS)
Man page input suitable for troff -man (cawf2.zip)
.tr2Session-state settings (Turbo Debugger for Win32)
.traceECXpert Debugging file
TcpDump Output file
Telcordia Software Visualization and Analysis Toolsuite
WebSTAR Mail Server Error file
Zope 3 Strace Log
.trcDebug support file (Power CTrace)
.treDirectory tree file (PC-Tools)
.trgSymantec LiveUpdate file
.triTrigram file
.trkKermit Script file
Mixman Studio Track
Train Dispatcher Railroad Centgralized Traffic Control Simulation
.trmTerminal settings (Windows 3.x)
.trnTranslation support file (Quattro)
.trpTripmaker file
.trsExecutable file (Micrografx)
.trwSession-state settings (Turbo Debugger for Windows)
.trxEmerald PC Authorize Batch Transaction file
.tskSkins for Pocket PC PDAs
PhotoImpact Quick Command
.tspWindows Telephony Service Provider
.tstPrinter test file (WordPerfect for Win)
.ttfTruetype Font file
.tubPaintShop Pro Tube file
.tutTutorial
.tvTable view settings (Paradox)
.tv1Overflow file above insert point in Doc 1 (WordPerfect for Win)
.tv2Overflow file above insert point in Doc 2 (WordPerfect for Win)
.tv3Overflow file above insert point in Doc 3 (WordPerfect for Win)
.tv4Overflow file above insert point in Doc 4 (WordPerfect for Win)
.tv5Overflow file above insert point in Doc 5 (WordPerfect for Win)
.tv6Overflow file above insert point in Doc 6 (WordPerfect for Win)
.tv7Overflow file above insert point in Doc 7 (WordPerfect for Win)
.tv8Overflow file above insert point in Doc 8 (WordPerfect for Win)
.tv9Overflow file above insert point in Doc 9 (WordPerfect for Win)
.tvfTable view settings (dBASE)
.tvoTeveoLive
.tvpNVIDIA Graphic Card Update file
.tvtRealPlayer
.txdGrand Theft Auto 3 Texture file
Letters Direct
.txfCompressed file archive created by TAR and FREEZE (.tar.f)
.txiSupport file (TeX)
.txlGenesis3D Texture file
.txtText file
.tymTime Stamp (PageMaker 4)
.tzCompressed file archive created by TAR and COMPRESS (.tar.Z)
.tzbCompressed file archive created by TAR - COMPRESS - BTOA (.tar.Z.btoa)
.uaxUnreal Audio file
.ubAudio file (unsigned byte)
.uc2Compressed file archive created by UltraCompressor II (uc2.zip)
.ucnNew compressed file archive created by UltraCompressor II
.ucsUniversal Classification Standard Database file
.udcAcrobat Spelling file
.udfFilter (Photostyler)
.udlMS Data Link
.udsSierra Generations Family file
.ue2Encrypted file archive created by UltraCompressor II
.ufoUlead Object file
.uhaUHARC Compressed Archive
.uhsUniversal Hint System (binary file)
.uiEspire source code file (Geoworks UI Compiler)
User interface (Sprint)
.uifLong prompts for windows (WordPerfect for Win)
.uihEspire header file (Geoworks UI Compiler)
.ulUlaw audio file
.uldInformation about uploaded files (Procomm Plus)
.ultMusic (UltraTracker)
.umbBackup file (MemMaker)
.umxUnreal music file
.uniUnimod music module (MIKMOD)
Datafile (Forecast Pro)
.unqFax View file
.unxText file containing UNIX specific info
.updProgram update info
Update data (dBASE)
.upoCompiled update data (dBASE)
.upxULead Photo Express Saved Image file
.usbD-Link FM Radio Update
USB Protocol Analyzer Trace
.uspPrinter font with USASCII extended character set (PageMaker)
.usrUser database file (Procomm Plus - Turbo C++ tour)
.utfAOL Updating Files
.utlSound file
.utxUnreal Texture file
Unicode file
.uuCompressed ASCII file archive created by UUDE/ENCODE
.uueCompressed ASCII file archive created by UUENCODE (uuexe515.exe)
.uvrUlead Cool 360 Viewer file
.uwAudio file (unsigned word)
.uwlWordPerfect User word list
.v Consistency check support file (ReaGeniX code generator)
Main input file for an image (Vivid 2.0)
.v64Nintento 64 Emulation ROM Image
.valValidity checks and referential integrity (Paradox for Windows)
Values list object file (dBASE Application Generator)
.vanAnimation (VistaPro)
.varVariable file (IconAuthor)
.vbcVisual Business Cards
.vbdActiveX file
.vbeVBScript Encoded Script file
.vbnNorton Corporate anti-virus quarantined file
.vbpVisual Basic Project
.vbsVisual Basic Script file (Visual Basic)
.vbwVisual Basic Project Workplace (Visual Basic)
.vbxVisual Basic eXtension (Visual Basic)
.vcInclude file with color definitions (Vivid 2.0)
Spreatsheet (VisiCalc)
.vcdVisualCADD Drawing file
Video CD format
.vcfVCard file
.vchInterlock Public Computer Utility
.vcwVisual workbench information (MS Visual C++)
.vcxSpreatsheet (VisiCalc Advanced)
.vdaBitmap graphics
.vdbNorton AntiVirus Corporate Edition Update file
PC-cillin Quarantined file
.vdfAntiVir virus definition file
Vexira Anti-virus virus definition file
.vdmVDM Play
.vdrDrawing (ComputerEasy Draw)
.vdxXML for Visio Drawing file
Vector Graphic file
Virtual Device Driver
.vemVeePro Embroidery Software Format
Voice E-mail file
.vewView file (Clipper 5, Lotus Approach)
.vfmVoting Form (Voter)
.vfnVoting Form for Customers (Voter)
.vfpTMPGEnc VFAPI Plug-in
.vfxUlead Video Studio Sample file
.vgaVga display driver
Vga display font
.vgdVga display driver (Generic CADD)
.vgrGraphics (Ventura Publisher)
.viGraphics (Jovian Logic VI)
.vicVicar graphics
.vidMs-DOS Shell Monitor file (MS-DOS 5)
Bitmap graphics (YUV12C M-Motion Frame Buffer)
Screen device driver (Word)
.vifKhoros Visualization image file (SDSC Image Tool)
.vikViking graphics
.virVirus Infected file
.visVis graphics
.vivVivoActive Player Video file
.vlmAshlar-Vellum file
Novell Virtual Loadable Module
Vellum CAD Drawing
.vmVirtual Memory file (Geoworks)
.vm1Panasonic SD Voice Editor file
.vmcVirtual memory configuration (Acrobat reader)
.vmfFont characteristics (Ventura Publisher)
Voice mail file (VocalTec Voice)
.vmlVector Markup Language
.vmoMobile Phone voice file (Siemens Sl45)
Virtools Behavioral Server Composition (Web-based Protected Format)
Cosmopolitan Virtual Makeover File
.vmpLogos Library System 2.x Verse Map
.vmsText file containing VMS specific info
.vmtValve Material file. Details how a material is to be rendered in game
.voInclude file with object definition (Vivid 2.0)
.vobDVD video movie file
.vocDigitized samples (Creative Voice file)
.vofObject folder (VZ Programmer)
.volTribes 2 game file
Earth Siege 2 Archive
Giants: Citizen Kabuto Archive
Tribes Archive
Tribes Extreme Archive
.vorOpenOffice.org Template
.voxVox Audio
Dialogic ADPCM
Talking Technology Inc. file
Natural MicroSystmes Voice file
.vpaExcite Chat Gestures file
.vpdVirpet Performance Descriptor
VitaGraph file
.vpgGraphics (VPGraphics)
.vppVirtual Pool Game
Red Faction/Summoner Package file
.vqeYamaha Sound-VQ Locator File
.vqfYamaha Sound-VQ File
.vqlYamaha Sound-VQ Locator File
.vrdVRScape data file
.vrmOverlay file (QuattroPro)
.vroPanasonic DVD Recorder file
.vrpProject (WATCOM VXRexx)
.vrsVideo Resource eg. video device driver (WordPerfect)
.vsInclude file with surface definition (Vivid 2.0)
.vsdDiagram (Shapeware Visio)
.vslGetRight Download List file
Visio Library
.vsmSimulation model (VisSim)
.vspSprite (SPX)
.vssSmartshapes file (Shapeware Visio)
.vstTruevision Vista bitmap graphics
.vtfValve Texture file. Used to store texture data in game
.vtxXML for Visio template file
.vueAnimation (3D Studio)
View (dBASE IV - FoxPro)
.vwText file (Volkswriter)
.vw3Text file (Volkswriter 3)
.vwlVideoWave Video Wave Library
.vwrFile viewer file (PC Tools)
.vwtVideoWave Thumbnail
.vxdVirtual device driver (MS Windows)
.vydVyperHelp
.w Word chart file (APPLAUSE)
.w30Printer font (AST TurboLaser) (Ventura Publisher)
.w31Startup file (Windows 3.1)
.w3gWarcraft III file
.w3mWarcraft III Map file
.w44Temporary file for Sort or Index (dBASE)
.wabOutlook File
.wacInfinity Game Engine WAVC Sound
.wadDoom Game file
Gunman Chronicle Archive
Half Life Archive
Heretic Archive
Hexen Archive
Quake Archive
Theme Park World Archive
.wafMayim\'s WAF Compiler file
.walWalMaster Showlist file
.warJava Web Archive
Konqeror HTML page archive
.wavWaveform audio file (RIFF WAVE format)
.wb1Notebook (Quattro Pro)
.wb2Spreadsheet (Quattro Pro)
.wb3Quattro Pro for Windows
.wbaWindowBlinds Compressed Skin
Winace Zip file
.wbcWebshots Picture Collection
.wbfMs Windows Batch File (Catch)
.wbkDocument/workbook (WordPerfect for Win)
.wbtBatch file (WinBatch)
.wbxWebigger file
.wbzWebShots file
.wcdMacro token list (WordPerfect for Win)
.wcmData transmission file (MS Works)
Macro (WordPerfect for Win)
.wcpProduct information description (WordPerfect for Win)
.wd2Info Select for Palm Organizer file
WordExpress Document
.wdbDatabase (MS Works)
.wdfReliaSoft Weibull 5.0
Workshare DeltaView DeltaFile
.wdlWindows XP Watchdog Log file
.webWeb source code file
.wfmForm object (dBASE Form Designer)
.wfnFont (CorelDRAW)
.wfxData file (Winfax)
.wg1Worksheet (Lotus 1-2-3/G)
.wg2Worksheet (Lotus 1-2-3 for OS/2)
.widWidth table (Ventura Publisher)
.winWindow file (FoxPro - dBASE)
Wonderware InTouch window file
.wizPage wizard (MS Publisher)
.wjpWildTangent Branded .jpg file
.wk1Spreadsheet (Lotus 1-2-3 version 2.x - Symphony 1.1+)
.wk3Spreadsheet (Lotus 1-2-3 version 3.x)
.wk4Spreadsheet (Lotus 1-2-3 version 3.4)
.wkbDocument (WordPerfect for Win)
Workbook file
.wkeSpreatsheet (Lotus 1-2-3 educational version)
.wkqSpreatsheet (Quattro)
.wksSpreadsheet (Lotus 1-2-3 version 1A - Symphony 1.0 - MS Works)
Workspace (Xlisp)
.wllWord Add-in
.wlkGraphics (Virtus Walkthrough)
.wlteWallet file
WaveL Wavelet Compressed Graphic
Words of Worship Liturgy
.wmaMicrosoft Active Streaming file
.wmcBackup of startup files by Windows MathCad autoexec.wmc
Macro file (WordPerfect for Win)
Text file (WordMARC)
.wmfWindows MetaFile vector graphics
.wmlWireless markup language
.wmvMS Active Streaming file
.wmzWindows Media Compressed skin file
.wnText (NeXT WriteNow)
.wnfOutline font description (CorelDRAW native format)
.wo4STABCAL file
.wo7STABCAL file
.woaSwap file (Windows 3.x)
.wocOrganization (Windows OrgChart)
.worMapInfo Workspace
.wotWebEx Saved Meeting Movie
.wowMusic (8 channels) (Grave Mod Player)
.wpText file (WordPerfect 4.2)
.wp5Document (WordPerfect 5.x)
.wpdDocument (WordPerfect 6.0 - PFS:WindowWorks)
.wpfFax (WorldPort)
Form (WordPerfect)
.wpgWildTangent Branded .PNG file
Wordperfect Graphics vector graphics (DrawPerfect)
.wpjMS Works Projects
.wpkMacros (WordPerfect for Win)
.wplDraxy Software Wallpaper Sequencer
Online WebPanel file
PFS WinWorks Spreadsheet
WHAT IF MOL-object
Words of Worship Playlist
.wpmMacros (WordPerfect)
.wpsText document (MS Works)
.wptWordPerfect template
602 pro PC SUITE template document file
.wpwPerfectWorks document
.wq!Compressed spreadsheet (Quattro Pro)
.wq1Spreadsheet (Quattro Pro)
.wr1Spreadsheet (Symphony 1.1 - 1.2 - 2)
.wrdTemplate (Charisma)
.wriText file (Windows Write)
.wrkSpreadsheet (Symphony 1.0, 1.2, 2.0, 3.0)
.wrlPlain text VRML file
.wrmlPlain text VRML file
.wrpCompressed Amiga file archive created by WARP
.wrsWindows Resource eg. printer driver (WordPerfect for Win)
.wsText file (WordStar 5.0-6.0)
.ws2Text file (WordStar 2000)
.wscWindows scripting component file
.wsdDocument (WordStar)
.wshWindows Script Host Settings file
.wspWorkspace (Fortran PowerStation)
.wsrFirstStop WebSearch file
.wstText file (WordStar)
.wsxWinMX Filesharing Program
.wszSkin Zip file (WinAmp)
.wtrMS Encarta file
.wveComponent of a DIVX Movie Conversion
Psion Series 3a/3c/3mx Waveform sound file
.wvxMetafile
.wvwBackup Wonderware InTouch window file
.wwbButton bar for document window (WordPerfect for Win)
.wwkKeyboard layout (WordPerfect for Win)
.wwpWorms World Party Teams file
.wwsAutoRoute User Information
.wwvWildTangent Branded .WAV file
.wxpDocument (EXP for Windows)
.wxsEasy Cross crosstitch file
.wzgWZebra file
.wzsMicrosoft Word wizard
.x Avs X image file (SDSC Image Tool)
Lex source code file
.x01Secondary index (Paradox)
.x02Secondary index (Paradox)
.x03Secondary index (Paradox)
.x04Secondary index (Paradox)
.x05Secondary index (Paradox)
.x06Secondary index (Paradox)
.x07Secondary index (Paradox)
.x08Secondary index (Paradox)
.x09Secondary index (Paradox)
.x16Macromedia Program Extension (16-bit)
.x32Macromedia Program Extension (32-bit)
.xbmX11 Bitmap graphics
.xdfMilnta APL Transfer Function
Workshare Synergy file
.xfdXML Form in XFDL Format
.xfnPrinter font (Xerox 4045) (Ventura Publisher)
.xft24 pin printer font (ChiWriter)
.xfxFax File (various)
.xiFast Tracker 2 Instrument or ScreamTracker Instrument File
.xifWang image file
Often a Fax image (TIFF) file
ScanSoft Pagis XIF Extended Image Format
Xerox image file
.xlaXlib Archive (xlibpas2.zip)
.xlaAdd-in macro sheet (MS Excel)
.xlbData (MS Excel)
.xlcChart document (MS Excel)
.xlkExcel Backup
.xllExcel Dynamic Link Library (MS Excel)
.xlmMacro sheet (MS Excel)
.xlrMS Works file
.xlsSpreadsheet(MS Works)
DATAIR Data Import Specification Translation file
Worksheet (MS Excel)
.xltTemplate (MS Excel)
Translation table (Lotus 1-2-3 - Symphony - Procomm Plus)
.xlwWorkbook (MS Excel)
.xlxXoloX Incomplete Download file
.xmMusic (Fast Tracker)
.xmiCompressed eXtended MIdi music
.xmlExtensible Markup Language file
.xnfStandard Network File form
.xnkMicrosoft Exchange Shortcut
.xplMusic file
.xpmX11 Pixel Map graphics
.xprMemorex CD-ROM label file
.xptXPCOM Type Library
.xpwLeading Market Technologies EXPO
Screen-Fillable Surfer Version of a Form
.xqtExecutable file (Waffle)
.xqtMacro sheet (SuperCalc)
.xrfCross-reference file
.xsdXML Schema file
.xsfMilnta APL Transfer Function
.xslExtensible Stylesheet Language file
.xssAbility Office Spreadsheet
.xtbExternal translation table (LocoScript)
.xtrMapTool file (an add-on for UI-View)
Xtreme Tuning files
.xvbWinExplorer VB Script
.xwdX Window System window dump image graphics (SDSC Image Tool)
.xwkKeyboard mapping (Crosstalk)
.xwpSession (Crosstalk)
Text file (Xerox Writer)
.xxCompressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xxeCompressed file ASCII archive created by XXENCODE (uuexe515.exe)
.xxxSinger Sewing Machine Professional SewWare file
Embroidery Design file
.xyText file (XY Write)
.xy3Text file (XYWrite III)
.xywText file (XyWrite III)
.xyzASCII RPG Maker Graphic Format
XMol XYZ
.y Yacc grammar file
Compressed Amiga file archive created by YABBA
.y01Secondary index (Paradox)
.y02Secondary index (Paradox)
.y03Secondary index (Paradox)
.y04Secondary index (Paradox)
.y05Secondary index (Paradox)
.y06Secondary index (Paradox)
.y07Secondary index (Paradox)
.y08Secondary index (Paradox)
.y09Secondary index (Paradox)
.yalData (Arts & Letters)
.yuvYuv graphics
.yzCompressed file archive created by YAC
.zCompressed file ASCII archive created by COMPRESS (comp430d.zip)
Compressed file archive created by PACK (Unix SysV pack)
.z3Infocom game module
.zapFileWrangler Compressed file
MS Windows Software Installation Settings
.zbdCanon ZoomBrowser Database file
MechWarrior 3 Snow Fields file
Zebedee Encrypted file
.zdbWonder Word data file
.zdgCompressed ZiffNet text document (Zview)
.zdpZDNet Password Pro 32
.zerData file (Zerberus)
.zfxZFX - CC3 File Packer Tool
.zgmGraphics (Zenographics)
.zipCompressed file archive created by PKZIP (pkz204g.exe)
.zl?Zone Alarm Mailsafe Renamed File
ZoneAlarm quarantines attachments and changes their file names. Ex. .EXE to .zl9
.zlsAtlantis Ocean Mind Word Processing file
.zomCompressed Amiga file archive created by ZOOM
.zonGrand Theft Auto 3 Zone file
.zooCompressed file archive created by ZOO (zoo210.exe)
.zplCreative Zen Micro playlist
.zstZSNES Slot 0 Savestate
.ztdZiff Davis Media text database
.zvdZyxel Voicefile (Z-Fax)
.zztZZT Game Creation System
.~$~Temporary file (1st Reader)
.~apOld AppExpert project database (Borland C++ 4.5)
.~deProject backup (Borland C++ 4.5)
.~mnMenu backup (Norton Commander)
.\\201$\\201 Temporary file (1st Reader)


  • FileInfo.net - Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.
  • File-Extensions.org - Large file extensions and file types resource website.


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