AAS Authorware shocked package
ABF Adobe Binary Screen Fonts
ABK CorelDRAW Automatic Backup File
ABS This type of file is sometimes used to indicate an abstract (like in an ABS This type of file is sometimes used to indicate an abstract (like an abstract or summary in a scientific article, taken from abstract)
ACE Ace compressed archive format
ACL CorelDRAW 6 keyboard shortcuts file
ACM Windows system directory file
ACP Microsoft office assistant preview file<
ACR American College of Radiology file format
ACT Microsoft office assistant files
ACV OS/2 driver for compressing or decompressing audio data
AD After Dark screen saver
ADA Ada source files (non-GNAT)
ADB Ada source file body (GNAT); HP100LX organizer's convention database
ADD OS/2 adapter driver for the boot process
ADF Amiga disk file
ADI AutoCAD device-independent binary plotter format
ADM After Dark multi-module screen saver; Windows NT policy templates
ADP FaxWork interactive installation files for fax modems; Astound Dynamite files
ADR After Dark randomized screen saver; address book for Smart Address
ADS Ada Source File Instructions (GNAT)
AFM Adobe's Font Scale
AF2, AF3 ABC's FlowChat files
AI Adobe Illustrator Format Graphics
AIF, AIFF Audio Interchange Files, Silicon Graphic and Macintosh application sound formats
AIFC Compressed AIF
AIM AOL Instant Messaging
AIS ACDSee Graphic Sequence files; Velvet Studio device files
AKW RoboHELP's Help project for all A- Keywords
ALAW European Telephone Audio Format
ALB JASC Image Commander Album
ALL Art & Ephemera Library
AMS Velvet Studio Music Module (MOD) files; Extreme's Tracker module files
ANC Canon Computer's color palette files, containing a range of optional color palettes
ANI Animated cursors for Windows systems
ANS ANSI text files
ANT Saved game files from SimAnt For Windows
API Adobe Application Programming Interface files used by Acrobat
APR Lotus Approach 97 files
APS Microsoft Visual C++ files
ARC LH Compressed archive files for ARC
ARI Aristotle sound files
ARJ Robert Jung ARJ compressed archive files
ART Xara Studio painting files; Canon Crayola art files; Clip Art file format; another ray tracing format; markup files compressed with the Johnson-Grace compression algorithm used by AOL
ASA Microsoft Visual InterDev files
ASC ASC II text files; PGP algorithm encrypted files
ASD Autosave files for Microsoft Word; Microsoft Advanced Streaming FORMat (ASMAT) file format
Advanced Streaming Format (ASMAT) file format. streaming FORMat (ASF) description file; open Velvet Studio example file with NSREX
ASE Velvet Studio sample file
ASF Microsoft Advanced Streaming Format file
ASM assembly language source file, Pro/E assembly files
ASO Astound Dynamite object files
ASP Dynamic Web page files; ProComm Plus installation and connection script files; Astound introduction files
AST Astound multimedia files; ClarisWorks "Assistant " file
ASV DataCAD AutoSave file
ASX Cheyenne Backup Script file; Microsoft Advanced Streaming Redirector file, Video file
ATT AT< Group 4 Bitmap file
ATW From Personal Software Any Time Deluxe For Windows Personal Information Manager files
AU Sun/NeXT/DEC/UNIX sound files; Audio U-Law (pronounced "mu-law") file format
AVB Computer Associates Inoculan Anti-Virus post-infection files
AVI Microsoft Audio Video Interleave movie format
AVR Audio Visual Research file format [Page]
AVS Application Visualization Format
AWD FaxVien Document
AWR Telsis Digital Storage Audio File Extension Format
Axx ARJ compressed file sub-packet numbering file used to compress a large file into several smaller packets (xx takes the numbers 01-99)
A3L Authorware 3.x Library Files
A4L Authorware 4.x Library Files
A5L Authorware 5.x Library Files
A3M, A4M Authorware Macintosh Unpackaged Files
A4P Authorware No Runtime Packaged Files
A3W, A4W, A5W Authorware Windows Unpackaged Files
BAK Backup Files
BAS BASIC Source Files
BAT Batch Files
BDF West Point Bridger Designer Files
BFC Windows 95 Briefcase documentation
BG Backgammon For Windows game files
BGL Microsoft Flight Simulator view files
BI binary files
BIF Initialization files for Group Wise
BIFF XLIFE 3D format files
BIN binary files
BK, BK$ sometimes used to represent backup versions
BKS IBM BookManager Read bookshelf files
BMK bookmarks files
BMP Windows or OS/2 bitmap file
BMI Apogee BioMenace data file
BOOK Adobe FrameMaker Book file
BOX Lotus Notes mailbox file
BPL Borlard Delph 4 Packaging Library
BQY BrioQuery files
BRX Files for viewing multimedia object catalogs
BSC MS Developer Studio browser information files
BSP Quake graphic files
BS1 Apogee Blake Stone data files< /p>
BS_ Microsoft Bookshelf Find Menu Shell Extension
BTM Batch files used by Norton applications
BUD Backup disks for Quicken
BUN CakeWalk Sound Bundle Files (a MIDI program)
BW SGI black-and-white image files
BWV commercial waveform files
BYU BYU's movie file format
B4 Helix Nuts and Bolts files
C C code files
C0l typhoon waveform files
CAB Microsoft compressed archive files<
CAD Softdek's Drafix CAD files
CAL CALS compressed bitmap; calendar planner data
CAM Casio camera format
CAP compressed music file format
CAS comma-separated ASCII files
CAT Quicken IntellCharge classified files
CB Microsoft clean boot files
CBI Binary Volume Format files (used in IBM mainframe systems)
CC Visual dBASE user-defined class files
CCA cc: mail files
CCB Visual Basic Dynamic Button Configuration File
CCF Multimedia Viewer Configuration File for OS/2
CCH Corel Chart File
CM Lotus cc: Mailboxes (e.g. "INBOX.CCM")
CCO CyberChat data files
CCT Macromedia Director Shockwave projections
CDA CD audio tracks
CDF Microsoft Channel Definition Format files
CDI Philip's High Density Disc Interactive Format
CDM Visual dBASE Custom Data Module files
CDR CorelDRAW drawing files; raw audio CD data files
CDT CorelDRAW templates
CDX CorelDRAW compressed drawing files; Microsoft Visual FoxPro index files< /p>
CEL CIMFast Event Language File
CER Certificate File (MIME x-x509-ca-cert)
CFB Compton's Multimedia File
CFG Configuration File
CFM CotdFusion Template File; Visual dBASE Windows user customization forms
CGI public **** gateway interface script files
CGM computer graphics metafiles
CH OS/2 configuration files
CHK fragments of files saved by the Windows Disk Defragmenter or disk scan
CHM compiled HTML files
CHR Character sets (font files)
CHP Ventura Publisher chapter files
CHT ChartViem files; Harvard Graphics vector files
CIF Adaptec CD Creator CD image files
CIL Clip Gallery download package [Page]
CIM SimCity 2000 files
CIN OS/2 change control files for tracking changes in INI files
CK1 iD/Apogee Commander Keen 1 data files
CK2 iD/Apogee Commander Keen 2 data file
CK3 iD/Apogee Commander Keen 3 data file
CK4 iD /Apogee Commander Keen 4 data file
CK5 iD /Apogee Commander Keen 5 data file<
CK6 iD /Apogee Commander Keen 6 data file
CLASS Java class files
CLL Crick Software Clicker files
CLP Windows Clipboard files
CLS Visual Basic Class Files
CMD Windows NT, OS/2 Command Files; DOS CD/M Command Files; dBASE II Program Files
CMF Corel Meta Files
CMG Chessmaster Saved Game Files
CMP JPEG Bitmap Files; Address Files
CMV Corel Move animation files
CMX Corel Presentation Exchange images
CNF Configuration files used by Telnet, Windows, and other applications whose internal formats change
CNM Windows application menu options and installation files
CNQ Compuworks Design Shop files
CNT Windows (or other) system content files used for help indexing or other purposes
COB TrueSpace 2 object files
COD Displayable machine code/assembly code files generated by the Microsoft C compiler, where Machine code/assembly code files generated by the Microsoft C compiler with source C code as comments
COM Command files (programs)
CPD Corel Print Office files (graphics)
CPD, CPE Fax Overlay Files
CPI Microsoft MS-DOS code page information files
< p>CPL Control Panel Extensions, Corel Color PalettesCPO Corel Print Storage Files
CPP C++ Code Files
CPR Corel Provides Instruction Manual Files
CPT Corel Photo-Painting Images
CPX Corel Presentation Exchange compressed graphics files
CRD Windows Cardfile files
CRP Corel-supplied runtime presentation files; Visual dBASE customized report files
CRT certification files
CSC Corel script files
CSP PC Emcee On_Screen images
CSS Waterfall table files
CST Macromedia Director Cast files
CSV Comma-separated value files
CT Scitex CT bitmap files; Paint Shop Pro Grapic editor files
CTL Commonly used to represent a file containing information about a control; FaxWork uses it to hold information about each fax received or sent
CUE Microsoft Cue Card Data File
CUR Windows Cursor File
CUT Dr Halo Bitmap File
CV Corel version archive files; Microsoft CodeView information screen files
CWK ClarisWorks data files.
CWS ClarisWorks module
CXT Macromedia Director protected (non-editable) projection files
CXX C++ source code files
DAT data files; WrodPerfect merged data files; used in some MPEG formats.
DB Borland's Paradox 7 tables
DBC Microsoft Visual FoxPro database container files
DBF dBASE files, a format created by Ashton-Tate that can be used by ACT!, Lipper, FoxPro, Arago, Wordtech, Xbase, and similar databases or database-related products; usable data files (which can be opened by Excel 97); Oracle 8.1.x tablespace files
DBX DataBearn images; Microsoft Visual FoxPro table files
DCM DCM Module Format files
DCR Shockwave files
DCS Desktop Color Separation files
DCT Microsoft Visual FoxPro Database Container
DCU Delphi Compilation Unit files
DCX Microsoft Visual FoxPro Database Container; PCX-based Fax Images; Macros
DC5 DataCAD Drawing File
DDF Btrieve or Xtrieve Data Definition File, which contains the metadata used to describe the Btrieve or Xtrieve file
DDIF Digital Equipment or Compaq format, which is used to save their image and word processing documentation[Page]
DEF SmartWare II data file; C++ module definition file
DEFI Oracle 7 uninstallation script file
DEM File used to represent the USGS datum for the Digital Height Model
DER Certification Documentation
DEWF Macintosh Sound Cap/Sound Edit Recording Device Format
DGN Macintosh 95 CAD Drawing File
DIB Device-Independent Bitmap
DIC Catalog
DIF Data Interchangeable Spreadsheet
DIG DigiLink format; Sound DesignerⅠaudio files
DIR MacromediaDirector files
DIZ description files
DLG C++ dialog box script files
DLL Dynamic Link Library
DLS downloadable sound files<
DMD Visual dBASE data module files
DMF X-Trakker Music Module (MOD) files
DOC FrameMaker or FrameBuilder documents; Word Star documents, Word Perfect documents, Microsoft Word documents; DisplayWrite documents
DOT Microsoft Word document templates
DPL Borland Delph3 compression library
DPR Borland Delphi project header files
DRAW Acorn's object-based vector image files
DRV driver
DRW Micrografx Designer/Draw; Pro/E drawing files
DSF Micrografx Designer VFX files
DSG DOOM saved files
DSM Dynamic Studio Music Module (MOD) files
DSP Microsoft Developer Studio project files
DSQ Corel QUERY files
DST Embroidery Machine Graphics files
DSW Microsoft Developer Studio workspace files< /p>
DTA Word Bank (World Bank) STARS data files
DTD SGML Document Type Definition (DTD) files
DTED Ground Elevation Digit Data (data format for graphs) files
DTF Symantec Q&A related database data files
< p>DTM DigiTrakker Module FilesDUN Microsoft Unplugged Network Export Files
DV Digital Video Files (MIME)
DWD DiamondWare Digitizing Files
DWG AutoCAD engineering drawing files; AutoCAD or Generic CADD older drawing formats
DXF Interchangeable drawing file format, binary text representation of DWG format; data exchange file
DXR Macromedia Director protected (non-editable) movie files
D64 Commodore's 64-bit analog Disk Image Files
EDA Ensoniq ASR Disk Images
EDD Element Definition Documentation (FrameMaker + SGML Documentation)
EDE Ensoniq EPS Disk Images
EDK Ensoniq KT Disk Images
EDQ Ensoniq SQ1/SQ2/Ks32 Disk Images
EDS Ensoniq SQ80 Disk Images
EDV Ensoniq VFX-SD Disk Images