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Data Formats and Their File Extensions
.#24 Printer data file for 24 pin matrix printer (LocoScript)
.#ib Printer data file (LocoScript)
.#sc Printer data file (LocoScript)
.#st Standard mode printer definitions (LocoScript)
.$#! Cryptext
.$$$ Temporary file
.$00 Pipe file (DOS)
.$db Temporary file (dBASE IV)
.$ed Editor temporary file (MS C)
.$o1 Pipe file (DOS)
.$vm Virtual manager temporary file (Windows 3.x)
._dd Norton Disk Doctor Recovered file
.~$~ Temporary file (1st Reader)
.~ap Old AppExpert project database (Borland C++ 4.5)
.~de Project backup (Borland C++ 4.5)
.~mn Menu backup (Norton Commander)
.\201$\201 Temporary file (1st Reader)
.000 Compressed harddisk data (DoubleSpace)
.001 Fax (many)
.075 75x75 dpi display font (Ventura Publisher)
.085 85x85 dpi display font (Ventura Publisher)
.091 91x91 dpi display font (Ventura Publisher)
.096 96x96 dpi display font (Ventura Publisher)
.0b Printer font with lineDraw extended
character set (PageMaker)
.1 Roff/nroff/troff/groff source for manual page (cawf2.zip)
.113 Iomega Backup file
.123 Lotus file
.15u Printer font with PI font set (PageMaker)
.1st Usually README.1ST text
.2d 2d Drawings (VersaCad)
.2dl 2d Libraries (VersaCad)
.3d 3d Drawings (VersaCad)
.3dl 3d Libraries (VersaCad)
.301 Fax (Super FAX 2000 - Fax-Mail 96))
.386 Intel 80386 processor driver (Windows 3.x)
.3ds Graphics (3D Studio)
.3fx Effect (CorelChart)
.3gr Data file (Windows Video Grabber)
.3t4 Binary file converter to ASCII (Util3)
.411 Sony Mavica Data file
.4c$ Datafile (4Cast/2)
.4sw 4dos Swap File
.4th Forth source code file (ForthCMP - LMI Forth)
.669 Music (8 channels) (The 669 Composer)
.6cm Music (6 Channel Module) (Triton FastTracker)
.8 A86 assembler source code file
.8cm Music (8 Channel Module) (Triton FastTracker)
.8m Printer font with Math 8 extended
character set (PageMaker)
.8u Printer font with Roman 8 extended
character set (PageMaker)
.a Ada source code file
Library (unix)
.a11 Graphics AIIM image file
.a3d Amapi 3D Modeling file
.a3m Unpackaged Authorware MacIntosh file
.a3w Unpackaged Authorware Windows file
.a4m Unpackaged Authorware MacIntosh file
.a4p Authorware file packaged without runtime
.a4w Unpackaged Authorware Windows file
.a5w Unpackaged Authorware Windows file
.aab Macromedia Authorware Binary
.aam Authorware shocked file
.ab2 Parson's Address Book
.ab6 Datafile (ABStat)
.ab8 Datafile (ABStat)
.aba Palm Address Book file
.abc ABC FLOWCHARTER 1.x flowchart
ABC2K Audio/Video Controller Software
.abd AmBiz Bonus Calculator data file
Adventure Builder database
.abf Adobe Binary Font
.abk Automatic backup file (CorelDRAW)
.abm ImagePals Photo Album Document
Montage Photo Album file
PhotoPlus Album file
.abs Abstracts (info file)
Data file (Abscissa)
MPEG audio sound file
.abw AbiWord document
.abx WordPerfect Address Book file
.ac3 AC3 Audio File Format
.aca Microsoft Agent Character file
Project (Project Manager Workbench)
.acb Graphics (ACMB)
.acc Program (DR-DOS - ViewMax) (GEM / resident)
.acd Sonic Foundry Acid music file
.ace Ace Archiver compressed file
.acf Microsoft Agent Character file
.aci ACI Development Appraisal
.acl Document file (Audit Command Language)
.acm Audio Compression Manager Driver
Photoshop command button
Windows system file
ACBM image file
Interplay compressed Sound file
.acs MS Agent Character file
.act Actor source code file
Foxdoc Action Diagrams (FoxPro)
Presentation (Action!)
.acv OS/2 Audio Drivers
Photoshop Saved Curve
.ad Screen saver data (AfterDark)
.ada Ada source code file
.adb Ada Package Body
.adc Bitmap graphics (16 colors) (Scanstudio)
.adf Adapter Description file
Admin Config file
Amiga Disk File
Dog Creek QC Mask file
.adi Graphics (AutoCAD)
.adl Mca adapter description library (QEMM)
.adm After Dark Screen Saver Module
Windows Policy Template
Addict Compiled Dictionary
Advantage Data Server Database Memo file
.adn Add-in (Lotus 1-2-3)
.ado Photoshop Duotone Options
Stata Program
.adp FaxWorks Modem setup file
Astound Dynamite file
MS Access Project
AOLserver Dynamic Page file
.adr Address Book
Address Plus Database
After Dark Random Screen Saver Module
Opera Web Browser Bookmark file
Smart Address Address Book
.ads Ada Package Specification
.adt Datafile for cardfile application (HP NewWave)
Fax (AdTech)
.adx Document (Archetype Designer)
.adz GZ-Packed Amiga Disk file
.aeh iPer Advanced Embedded Hypertext
.aex PGP Armored Extracted Public Encryption Key
.af2 Flowchart (ABC FlowCharter 2.0)
.aff AnyForm Form file
.afi Truevision bitmap graphics
.afl Font file (for Allways) (Lotus 1-2-3)
.afm Type 1 font metric ASCII data for font installer (ATM - many)
Datafile for cardfile application (HP NewWave)
.aft AnyForm template file
.agp Aspen Graphics Pages
.agw Aspen Graphics Windows
.ai Vector graphics (Adobe Illustrator)
.ain Compressed file archive created by AIN
.aio APL file transfer format file
.ais Array of Intensity Samples graphics (Xerox)
.aix Datafile for cardfile application (HP NewWave)
.alb JASC Image Commander Album
Photo Soap2 file
Steinberg Cubase or VST Backup Song file
.albm webAlbum Photo Album
HP Photosmart Photo Printing Album
.all Format file for working pages (Always)
General printer information (WordPerfect for Win)
Symbol and font files (Arts & Letters)
.alt Menu file (WordPerfect Library)
.als Alias Image
Calmira Shortcut file
.alz ALZip Compressed file
.amf Music (Advanced Module Format)
.amg Compressed file archive created by AMGC
System image file (Actor)
.amp Photoshop Arbitrary Map Settings
.anc Animation file format (MorphInk)
.ani Animation (Presidio - many)
.anm Animation (Deluxe Paint Animator)
.ann Help Annotations (Windows 3.x)
.ans Ansi graphics (character animation)
Ascii text ANSI character set (NewWave Write)
.aos Add-On Software (Nokia 9000)
.ap Compressed Amiga file archive created by WHAP
Datafile (Datalex EntryPoint 90)
.apc Printer driver (Lotus 1-2-3)
.apd Printer driver (Lotus 1-2-3)
.ape Music format (different players)
.apf Printer driver (Lotus 1-2-3)
.api Passed parameter file (1st Reader)
Printer driver (Lotus 1-2-3)
.apl APL work space format file
.apm ArcPad 6 file
.app Add-in application file (Symphony)
Application object file (dBASE Application Generator)
Executable application file (DR-DOS - NeXTstep - Atari)
Generated application (FoxPro)
.apr Employee performance review (Employee Appraiser)
.aps MS Visual C++ file
ArcPad 5 Symbology file
.apx Appexpert database file (Borland C++ 4.5)
.arc Compressed file archive created by ARC (arc602.exe/pk361.exe)
Compressed file archive created by SQUASH (squash.arc)
.arf Automatic Response file
.arg AutoCAD Profile Export fileile
.ari Compressed file archive created by ARI
.arj Compressed file archive created by ARJ (arj241.exe)
.ark Arc file archive created by CP/M port of ARC file archiver
Compressed file archive created by QUARK
.arl AOL Organizer File
.arr Arrangement (Atari Cubase)
.art Graphics (scrapbook) (Art Import)
Raster graphics (First Publisher)
.arv Arsiv File
AutoRoute User Information
.arx Compressed file archive created by ARX
.asa MS Visual InterDev file
Active Server Document
.asc Ascii text file
Transport armor file (PGP)
.ascx Microsoft ASP.NET user control file
.asd Autosave file (Word for Windows)
Presentation (Astound)
Screen driver (Lotus 1-2-3)
.asf Datafile (STATGRAPHICS)
Screen font (Lotus 1-2-3)
.ash Assembly language header file (TASM 3.0)
.asi Assembler include file (Turbo C - Borland C++)
.asm Assembly source code file
Pro/Engineer Assembly file
.asmx Microsoft .NET Web Service file
.aso Assembler object (object orientated) file (Turbo Assembler)
.asp Microsoft Active Server Page
Aspect source code file (Procomm Plus)
Association of Shareware Professionals OMBUDSMN.ASP notice
.aspx Microsoft ASP.NET file
.asr Ms Automap Route
Photoshop Scratch Area
.asx Microsoft Windows Media Active Stream Redirector file
.at2 Auto template (Aldus Persuasion 2.0)
.atm Adobe Type Manager data/info
.atn Adobe Photoshop Action file
.atr Lightscape Material Library
.att AT&T Group 4 Bitmap
.au Sound (audio) file (SUN Microsystems)
.aud Audio file
.aut AutoIt 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
.aux Auxillary references (TeX/LaTeX)
Auxiliary dictionary (ChiWriter)
.ava Publication (Avagio)
.avb Inoculan Anti-Virus virus infected file
Microsoft Chat character file
.avd Avery Label Pro Data file
.avi Audio Video Interleaved animation file (Video for Windows)
.avs Animation file
Application Visualization System Format
Stardent AVS-X image
Winamp Advanced Visualization Studio file
.avx ArcView file
.aw Text file (HP AdvanceWrite)
.awb Lavasoft Ad-aware backup file
.awd AWD MS Fax
Award BIOS file
AWK Language Source Code file
.awe Adobe Acrobat Bookmark XML file
.awk Awk script/program
.awm Movie (Animation Works)
.awr Telsis Digital Audio file
.aws Data (STATGRAPHICS)
.ax DirectShow Filter
.axd Avery Label Pro Re-Index file
.axg MS Autoroute Trip file
.axe Paradigm C++ Integrated Debugger file
ChordMaster
MS Autoroute export file
.axl ArcIMS XML Project file
.axt ZenWorks snAPPshot ASCII Application Object template
Photoshop Replace Color/Color Range
.b Batch list (APPLAUSE)
.b&w Black and white graphics (atari - mac)
Mono binary screen image (1st Reader)
.b1n Both mono and color binary screen image (1st Reader)
.b1s Booksmith
.b30 Printer font (JLaser - Cordata) (Ventura Publisher)
.b3d 3D Builder file
.b8 Raw graphics (one byte per pixel) plane two (PicLab)
.b_w Black and white graphics (atari - mac)
.bad Bad file (Oracle)
.bag PMMail Mail Index file
OS/2 Netfinity Manager Sysinfo file
AOL Instant Messenger file
.bak Backup file
.bal Music score (Ballade)
.bar Horizontal bar menu object file (dBASE Application Generator)
.bas Basic source code file
.bat Batch file (DOS)
.bb Database backup (Papyrus)
.bbl Bibliographic reference (TeX/BibTeX)
.bbm Brush (Deluxe Paint)
.bbs Bulletin Board System announce or text info file
.bcf ConfigSafe Snapshot index
The Sims (Maxis) File
.bch Batch process object file (dBASE Application Generator)
Datafile (Datalex EntryPoint 90)
.bck Backup
.bcm MS Works Communications file
.bco Outline font description (Bitstream)
.bcp Borland C++ makefile
.bcw Environment settings (Borland C++ 4.5)
.bde Borland Database Engine
.bdf Bitmap Distribution Format font file (X11)
Datafile (Egret)
.bdr Border (MS Publisher)
.bez Outline font description (Bitstream)
.bf2 Bradford 2 font
.bfm Font metrics (unix/Frame)
.bfx Fax (BitFax)
.bga Bitmap graphics
.bgi Borland Graphics Interface device driver
.bgl Flight Simulator scenery file
.bib Bibliography (ASCII)
Database - not compatible with TeX format (Papyrus)
Literature database (TeX/BibTeX)
.bic Civilization III Scenario
.bid BidMaker 2002 file
.bif Binary Image Format b&w graphics (Image Capture board)
.bik BioCharter Profile backup file
Bink Game video file
.bin Binary file
.bio OS/2 BIOS
.bit Bitmap Image
Worms Armageddon Imported Map
Worms World Party Imported Map
.bk Faxbook (JetFax)
.bk! Document backup (WordPerfect for Win)
.bk1 Timed backup file for document window 1 (WordPerfect for Win)
.bk2 Timed backup file for document window 2 (WordPerfect for Win)
.bk3 Timed backup file for document window 3 (WordPerfect for Win)
.bk4 Timed backup file for document window 4 (WordPerfect for Win)
.bk5 Timed backup file for document window 5 (WordPerfect for Win)
.bk6 Timed backup file for document window 6 (WordPerfect for Win)
.bk7 Timed backup file for document window 7 (WordPerfect for Win)
.bk8 Timed backup file for document window 8 (WordPerfect for Win)
.bk9 Timed backup file for document window 9 (WordPerfect for Win)
.bkf Microsoft Backup file
.bkg Background file
UWXAFS Binary Format Data file
.bkp Backup file (Write - TurboVidion DialogDesigner)
.bkw Mirror image of font set (FontEdit)
.blb DreamWorks Resource Archive
.bld Bloadable picture (BASIC)
.blk Temporary file (WordPerfect for Win)
Lightscape Block Library
Alias Wavefront Image
VersaPro Block
.blt Saved AIM Buddy List file
Wordperfect for DOS file
.bm Bitmap graphics
.bmf Corel Image file
.bmk Help Bookmarks (Windows 3.x)
.bmp Bitmap graphics (PC Paintbrush - many)
.bmx Buzz music file
.bnd Typequick file
.bnk Adlib instrument bank file
.bob BobDown Downloading Program
Bob Raytracer
.bom MicroSim PCBoard Bill of Materials
Orcad Schematic Capture Bill of Materials file
Softshare Delta Business Object Model
.boo Compressed file ASCII archive created by BOO (msbooasm.arc)
.box Myriad Jukebox file
Notes Mailbox
.bpc Chart (Business Plan Toolkit)
.bpl Delphi Library
.bpt Bitmap fills file (CorelDRAW)
.bqy BrioQuery file
.br Script (Bridge)
.brd Eagle Layout file
.brf Braille ASCII file
.brk Fax (Brooktrout Fax-Mail)
.bro Tree Professional Broadleaf Creator file
.brp Tree Professional Broadleaf Creator image
.brt Micrografx Picture Publisher file
.brx Multimedia browsing index
.bsa Compressed file archive created by BSARC
.bsb MapInfo Sea Chart
SWAT Sub-basin Output file
.bsc Compressed Apple II file archive created by BINSCII
Database (Source Browser)
Pwbrmake object file (MS Fortran)
.bsl BSPlayer Configuration file
.bsp Half-life/TFC/CS Map
Quake Map
.bst BibTeX Style file
.btm Batch To Memory batch file (4DOS)
.bto Baytex Organix! 2001 Language Kit
.btr Btrieve Database file
MS Frontpage-related file
.bud Quicken Backup
.bug Bugs and Problems
.bup Backup file
.but Button definitions (Buttons!)
.buy Datafile format (movie)
.bv1 Overflow file below insert point in Doc 1 (WordPerfect for Win)
.bv2 Overflow file below insert point in Doc 2 (WordPerfect for Win)
.bv3 Overflow file below insert point in Doc 3 (WordPerfect for Win)
.bv4 Overflow file below insert point in Doc 4 (WordPerfect for Win)
.bv5 Overflow file below insert point in Doc 5 (WordPerfect for Win)
.bv6 Overflow file below insert point in Doc 6 (WordPerfect for Win)
.bv7 Overflow file below insert point in Doc 7 (WordPerfect for Win)
.bv8 Overflow file below insert point in Doc 8 (WordPerfect for Win)
.bv9 Overflow file below insert point in Doc 9 (WordPerfect for Win)
.bwb Spreadsheet application (Visual Baler)
.bwi Blindread/Blindwrite
.bwr Beware (buglist) (Kermit)
.bwt Blindread/Blindwrite
.bxx blaxxun Contact
.bz2 Bzip 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--)
.c00 Print file (Ventura Publisher)
.c60 Midtronics Battery Management Software
.c86 C source code file (Computer Innovation C86)
.ca Initial cache data for root domain servers (Telnet)
.cab Cabinet File (Microsoft installation archive)
.cad Softdesk Drafix CAD File
.cac dBASE IV executable when caching on/off (see cachedb.bat)
.cad Document (Drafix Windows CAD)
.cag MS Clip Gallery Catalog file
.cal Calendar file (Windows 3.x)
Calendar Maker Pro
Spreatsheet (SuperCalc)
.cam Casio Camera Graphic
.can Fax (Navigator Fax)
.cap Caption (Ventura Publisher)
Session capture file (Telix)
.car AtHome Assistant file
Carrara Environment
NeoBook Cartoon
.cas Comma-delimited ASCII File
.cat Catalog (dBASE IV)
.cbc Fuzzy logic system (CubiCalc)
.cbf Calendar Builder file
.cbl Cobol source code file
.cbm Compiled bitmap graphics (XLib)
.cbp CentralBuilder Project
.cbt Computer Based Training (many)
.cc C++ source code file
.cca CC:Mail archive file
.ccb Visual Basic Animated Button Configuration
.ccc Bitmap graphics (native format) (Curtain Call)
.ccd CloneCd Related file
Vector CAD Program file
.cce Calendar Creator 2 Event file
.ccf Communications configuration file (Symphony)
.cch Chart (CorelChart)
.ccl Communication Command Language file (Intalk)
.cco Btx Graphics file (XBTX)
.cct Macromedia Director Shockwave file
.ccx Corel PrintHouse file
.cda CD Audio Track
.cdb Card database (CardScan)
Main database (TCU Turbo C Utilities)
.cde Honeywell Hybrid Control Designer
.cdf Graphics (netcdf)
.cdi Phillips Compact Disk Interactive format
.cdk Document (Atari Calamus)
.cdl CaseWare Working Papers Document Link
SignLab Vector Graphic
.cdm Visual dBASE Custom Data Module
.cdp CD/Spectrum Pro
.cdr Vector graphics (CorelDRAW native format)
.cdt Data (CorelDraw 4.0)
.cdx Compound index (FoxPro)
.ce Main.ce (The FarSide Computer Calendar)
.ceg Bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics)
.cel Graphics (Autodesk Animator - Lumena)
.cf Configuration file (imake)
.cfb Comptons multimedia file
.cfg Configuration
.cfl Chart (CorelFLOW)
.cfm ColdFusion Markup Language (Allaire)
.cfn Font data (Atari Calamus)
.cfo C Form Object internal format object file (TCU Turbo C Utilities)
.cfp Fax (The Complete Fax Portable)
.cga CGA display font (Ventura Publisher)
.cgi Common Gateway Interface script
.cgm Computer Graphics Metafile vector graphics (A&L - HG - many)
.ch Header file (Clipper 5)
.ch3 Chart (Harvard Graphics 3.0)
.ch4 Presentation (Charisma 4.0)
.chd Font descriptor (FontChameleon)
.chi Document (ChiWriter)
.chk Recovered data (ChkDsk)
Temporary file (WordPerfect for Win)
.chl Configuration History Log
.chm Compiled HTML
.chn Data (Ethnograph 3)
.cho ChordPro file
.chp Chapter file (Ventura Publisher)
.chr Character set (Turbo C - Turbo Pascal)
.cht Chart (Harvard Graphics 2.0 - SoftCraft Presenter)
Interface file for ChartMaster (dBASE)
.cif Caltech Intermediate Format graphics
Chapter information (Ventura Publisher)
.cil Clip Gallery Download Package
.cix Database index (TCU Turbo C Utilities)
.ckb Keyboard mapping (Borland C++ 4.5)
.cl Common LISP source code file
.cl3 Easy CD Creator Layout file
.cl4 Easy CD Creator Layout file
.cl5 Easy CD Creator Layout file
.clb ICQ Contact List
MS Office XP Developer Code Librarian
cdrLabel Compact Disc Label
.clp Clip art graphics (Quattro Pro)
Clipboard file (Windows 3.x)
Compiler script file (clip list) (Clipper 5)
.clr Color binary screen image (1st Reader)
Color definitions (Photostyler)
.cls C++ class definition file
.cm Data file (CraftMan)
.cmd Batch file (OS/2)
Command (dBASE - Waffle)
External command menu (1st Reader)
.cmf FM-music file (Creative Music File)
.cmk Card (Card Shop Plus)
.cmm Cmm script (batch) file (CEnvi)
.cmo Virtools Composition file
.cmp Header file for PostScript printer files (CorelDRAW)
User dictionary (MS Word for DOS)
Bitmap graphics (Lead CMP compression)
.cmq Culturemetrics file
.cmt Culturemetrics file
.cmv Animation (CorelMove CorelDraw 4.0)
.cmx Corel PhotoPaint Image
Corel Presentation Exchange Image
The Sims (Maxis) 3D Body Mesh Data
Apple Viewer file
.cnc CNC general program data
.cnd ControlDraw file
Embroidery Design file
.cnf Configuration (program - printer setup)
.cnt Helpfile contents
.cnv Data conversion support file (Word for Windows)
Temporary file (WordPerfect for Win)
.cob Cobol source code file
.cod Datafile (Forecast Plus - MS Multiplan - StatPac Gold)
Program compiled code (FORTRAN)
Template source file (dBASE Application Generator)
Videotext file
.col Color palette (Autodesk Animator - many)
Spreadsheet (MS Multiplan)
.com Command (memory image of executable program) (DOS)
.con Configuration file (Simdir)
.cor Protein Structure file
Web GPS Correction Server Export file
WMOVIEC Input file
.cpd Script (Complaints Desk)
.cpe MS Fax Cover Sheet
.cpf Fax (The Complete Fax)
.cph Corel Print House image
.cpi Code Page Information file (DOS)
Colorlab Processed Image bitmap graphics
.cpl Control panel file (Windows 3.x)
Presentation (Compel)
.cpo Corel Print House file
.cpp C++ source code file
Presentation (CA-Cricket Presents)
.cps Backup of startup files by Central Point PC Tools autoexec.cps
coloured postscript files
.cpt Compressed Mac file archive created by COMPACT PRO (ext-pc.zip)
Corel Photo-Paint Image
Encrypted memo file (dBASE)
Template (CA-Cricket Presents)
.cpx Control Panel Applet
Corel Presentation Exchange Compressed Drawing
.cpy Copy Books Data file
.cpz Music text file (COMPOZ)
.crd Cardfile (Windows 3.x - YourWay)
ColdRED Script file
Guitar Chord file
.crf Cross-reference (MS MASM - Zortech C++)
.crh Links Games Course file
MS Golf Image file
.crp Encrypted database (dBASE IV)
.crs File Conversion Resource (WordPerfect 5.1)
.crt Terminal settings information (Oracle)
.cru Compressed file archive created by CRUSH
.crx Links Games Course file
.crz Links Games Course file
.csa Comma Deliminated Text
Ultimate Ride Roller Coaster
.csf Van Dyke's CRT/SecureCRT Script file
.csg Graph (Statistica/w)
.csh Hamilton Labs C Shell Script file
.csk Claris Works
.csm Precompiled headers (Borland C++ 4.5)
.csp Pc Emcee Screen Image file (Computer Support Corporation)
.css Datafile (CSS - Stats+)
Datasheet (Statistica/w)
.cst Macromedia Director Cast file
.csv Comma Separated Values text file format (ASCII)
Adjusted EGA/VGA palette (CompuShow)
.ctc Control file (PC Installer)
.ctd Cobra Track Dump
Cardtable file
Marine Data file
Simpsons Cartoon Studio Export file
.ctf Character code translation file (Symphony)
.ctg Cartridge Definition file
ChessBase Opening Book
Canon Powershot Pro 70 Info file
.ctl Control file (dBASE IV - Aldus Setup)
Setup information
.ctt Labview file
.ctx Course TeXt file (Microsoft online guides)
Ciphertext file (Pretty Good Privacy RSA System)
.cty SimCity City file
.cue MS Cue Cards data
.cuf C Utilities Form definition (TCU Turbo C Utilities)
.cul Windows cursor library (IconForge, ImageForge, ImageForge PRO)
.cur Cursor image file (Windows 3.x)
.cut Bitmap graphics (Dr. Halo)
.cv4 Color file (CodeView)
.cv5 Canvas version 5
.cva Compaq Diagnostics
.cvp Cover page (WinFax)
.cvr WinFax Cover Sheet
ElectraSoft Fax Cover Sheet
.cvs Graphics (Canvas)
.cvt Backup file for CONVERTed database file (dBASE IV)
.cvw Color file (CodeView)
.cwk Claris Works data
.cwz CropWalker file
.cxt Macromedia Director Protected Cast file
.cxx C++ source code file (Zortech C++)
.d2s Character file (Diablo 2)
.d64 Commodore 64 Emulator Disk Image
.dat Data file in special format or ASCII
Gunlok Archive
Mitsubishi DJ-1000 and Photorun Native Format
Nascar Racing Archive
SPOT Graphic
WordPerfect Merge Data
.db Configuration (dBASE IV - dBFast)
Database (Paradox - Smartware)
.db$ Temperature debug info (Clarion Modula-2)
Temporary file (dBASE)
.db2 Database (dBASE II)
.db3 Database (dBASE III)
.dba Datafile (DataEase)
.dbb ANSYS Database Backup
Mopheus music file
.dbd Business data (Business Insight)
Debug info (Clarion Modula-2)
.dbf Database file (dBASE III/IV - FoxPro - dBFast - DataBoss)
Oracle 8.x Tablespace File
.dbg Symbolic debugging information (MS C/C++)
.dbk Database backup (dBASE IV)
.dbl Windows XP Activation file
.dbm Datafile (DataEase)
Menu template (DataBoss)
.dbo Compiled program (dBASE IV)
.dbs Database in SQL Windows format
Datafile (PRODAS)
Printer description file (Word - Works)
.dbt Data Base Text (Clipper)
Foxbase+ style memo (FoxPro)
Memo file for database w/same name (dBASE IV - dBFast)
.dbw Windows file (DataBoss)
.dbx Database
DataBeam Image
MS Visual Foxpro Table
.dca Document Content Architecture text file (IBM DisplayWrite)
.dcf Disk image file
.dcm DCM Module Format
Dicom
.dcp Data CodePage (OS/2)
.dcr Kodak Proprietary Image Format
Shockwave file
.dcs Bitmap graphics (CYMK format) (QuarkXPress)
Datafile (ACT! Activity Files)
.dct Database dictionary (Clarion Database Developer)
Spell checking dictionary (Harvard Graphics 3.0 - Symphony)
.dcx FAX Image
ElectraSoft Fax
PC-Paintbrush file
Bitmap Graphics (Multipage PCX)
Macros
MS Visual Foxpro Database Container
.dd Compressed Macintosh file archive created by DISKDOUBLER
.ddb Bitmap graphics
.ddf MS Data Definition Language file
.ddi Diskdupe Image file (ddupe322.zip)
.ddp Device Driver Profile file (OS/2)
.de MetaProducts Download Express incompletely downloaded file
.deb Debug script (DOS Debug)
.dec VersaPro Declaration file
.def Assembly header file (Geoworks)
Defaults - definitions
.dem Demonstration
Graphics (VistaPro)
.des Description Text
Tribes 2 Game file
Quickbooks Template
Pro/DESKTOP file
Interscope BlackBox file
.dev Device driver
.dfd Data Flow Diagram graphic (Prosa)
.dff Criterion RenderWare 3.x 3D object format
.dfi Outline font description (Digifont)
.dfl Default program settings (Signature)
.dfm Data Flow Diagram model file (Prosa)
.dfs Delight Sound file
.dft Fakt2000 file
SolidEdge CAD file
Workshare Synergy file
PC Draft file
.dfv Printing form (Word)
.dgn Graphics (MicroStation)
.dgr Fax Page (MS Outlook Express)
DART Pro 98 File Group Details
.dgs Diagnostics
.dh Dependency information for .ph (Geoworks)
.dhp Dr. Halo PIC Format graphics (Dr. Halo II - III)
.dht Datafile (Gauss)
.dia Diagraph graphics (Computer Support Corporation)
.dib Bitmap graphics (Device-Independent Bitmap)
.dic Lotus Notes / Domino dictonary file
.dif Database (VisiCalc)
Output from Diff command - script for Patch command
Text file (Data Interchange Format)
.dig Digilink Format
Sound Designer Audio File
Text Document
.dip Graphics
.dir Dialing directory file (Procomm Plus)
Directory file (VAX)
Movie (MacroMind Director 4.x)
.dis Distribution file (VAX Mail)
Thesaurus (CorelDraw)
.diz Description file (Description In Zip)
.dje MattBatt iAM-player
.dkb Raytraced graphics (DKBTrace)
.dl Animation (Italian origin)
.dl_ Compressed .dll file in an Install Archive
.dld Data (Lotus 1-2-3)
.dlg Dialog resource script file (MS Windows SDK)
.dll Dynamic Link Library (Windows 3.x - OS/2)
Export/import filter (CorelDRAW)
.dls Setup (Norton Disklock)
.dmf Delusion/XTracker digital music file
Packed Amiga Disk Image
.dmg Macintosh OS X Disk Image file
.dml Medical Manager DML System Script
.dmo Demo (Derive)
.dmp Dump file (eg. screen or memory)
.dms Compressed Amiga file archive created by DISKMASHER
.dna Desktop DNA data storage file
.dnasym Desktop DNA compiled application script
.dnax Desktop DNA exclusion list (text)
.dne Netica Bayes net file (Norsys Software Corp.)
.dng Dungeon file
.dnl DigitalWebBook Electronic Book
netMod Modem Firmware Upgrade file
.doc Document text file
.dog Screen file (Laughing Dog Screen Maker)
.doh Dependency information for .poh (Geoworks)
.dos External command file (1st Reader)
Network driver (eg. pkt_dis.dos)
Text file containing DOS specific info
.dot Line-type definition file (CorelDRAW)
Template (Word for Windows)
.dox Text file (MultiMate 4.0)
.doz Description Out of Zip (VENDINFO)
.dp Calendar file (Daily Planner)
Data file (DataPhile)
.dpk Delphi Package file
.dpp Serif DrawPlus Drawing
.dpr Default project- and state-related information (Borland C++)
.dps DivX XP Skin
.dpt Desktop DNA template
.drs Display Resource (WordPerfect for Win)
.drv Device driver eg. for printer
.drw Drawing (various)
Vector graphics (Micrografx Designer)
.ds4 Vector graphics (Micrografx Designer 4.0)
.dsa DasyTec DASYLab file
.dsb DasyTec DASYLab file
.dsc Discard file (Oracle)
.dsd Database (DataShaper)
.dsf Micrografx Designer
PC-TRUST Document Signer
Delusion/XTracker Digital Sample
.dsk Project desktop file (Borland C++ - Turbo Pascal)
.dsm Digital sound module (DSI)
.dsn Design (Object System Designer)
.dsp Display parameters (Signature)
Graphics display driver (Dr.Halo)
MS Developer Studio Project
.dsr Driver Resource (WordPerfect for Win)
.dss Screensaver file (DCC)
Sound (Digital Soup)
.dst PC-RDist Distribution file
Embroidery Machine Stitch file (VeePro)
.dsw Desktop settings (Borland C++ 4.5)
.dsy PC Draft Symbol Library
.dt_ Data fork of a Macintosh file (Mac-ette)
.dta Data file (Turbo Pascal - PC-File - Stata)
.dtd SGML Document Definition file
.dtf Database file (PFS - Q&A)
.dtp Document (Timeworks Publisher3)
Publication (Publish-It!)
.dup Duplicate Backup
.dus Readiris font dictionary
.dvc Data (Lotus 1-2-3)
.dvf DV Studio Camcorder Graphics file
.dvi Device Independent document (TeX)
.dvp Desqview Program Information file (DESQview)
Device parameter file (AutoCAD)
.dw2 Drawing (DesignCAD for windows)
.dwc Compressed file archive created by DWC (dwc-a501.exe)
.dwd Davka Writer file
DiamondWare Digitized file
.dwf Autodesk WHIP! Drawing Web file
MS WHIP autoCAD REader Drawing Web file
.dwg Drawing (Drafix)
Drawing database (AutoCAD)
.dwt AutoCAD Template/Prototype file
Macromedia Dreamweaver Template file
Demon's World Game Texture file
.dx Text file (DEC WPS/DX format - DEC WPS Plus)
.dxf Drawing Interchange File Format vector graphics (AutoCAD)
.dxn Fax (Fujitsu dexNET)
.dxr Dependable Strengths Administrator Resources
Green Building Advisor file
Macromedia Director Protected Movie file
.dyc ICUII Videochat file
.dyn Data (Lotus 1-2-3)
.dz Dzip Compressed file
.ear Java Enterprise Application Packaging Unit
.eas Elite Visual Basic API Spy
.ebj Error-checking object file (Geoworks)
.ebo MS Reader Ebook Format
.ebp Pocket PC WindowsCE Project file
.ecf WinFax Office Add-in file
.eco NetManage ECCO file
.ecw Ensoniq Waveset Format
EclipseCrossword Crossword Puzzle
.edb MS Exchange Database
ROOTS3 geneological data
.edl Edit Decision List (management for video/film post production)
.eds Ensoniq SQ80 disk image
.edt Default settings (VAX Edt editor)
.eeb Button bar for Equation Editor (WordPerfect for Win)
.efe Ensoniq EPS file
.eft High resolution screen font (ChiWriter)
.efx Fax (Everex EFax)
.ega EGA display font (Ventura Publisher)
.ek5 SonarData Echoview file
.ek6 SonarData Echoview file
.ekm EXP: The Scientific Word Processor Macro
.el Elisp source code file (Emacs lisp)
.elc Compiled ELISP code (Emacs lisp)
.elm MS FrontPage Theme-Pack file
.elt Event list text file (Prosa)
.email Outlook Express Mail Message
.emb Everest Embedded Bank File
.emd ABT Extended Module
.emf Enchanced Metafile graphics
.eml MS Outlook Express Electronic Mail
.emp E-Music File Format
.ems PC Tools Enhanced Menu System Config
.emu Terminal emulation data (BITCOM)
.emx Ensuredmail encrypted file/e-mail message
.enc Encoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe)
Music (Encore)
.end Arrow-head definition file (CorelDRAW)
.eng Dictionar
