| ABK |
Corel Draw AutoBackup |
| ACL |
Corel Draw 6 keyboard accelerator |
| ACM |
Used by Windows in the system directory |
| ACP |
Microsoft Office Assistant Preview file |
| ACT |
Microsoft Office Assistant Actor file |
| ACV |
OS/2 drivers that compress and decompress audio data |
| AD |
After Dark screensaver |
| ADB |
Appointment database used by HP 100LX organizer |
| ADD |
OS/2 adapter drivers used in the boot process |
| ADM |
After Dark MultiModule screensaver |
| ADP |
Used by FaxWorks to do setup for fax modem interaction |
| ADR |
After Dark Randomizer screensaver |
| AFM |
Adobe font metrics |
| AF2 |
ABC Flowchart file |
| AF3 |
ABC Flowchart file |
| AI |
Adobe Illustrator drawing |
| AIF |
Apple Mac AIFF sound |
| AIFC |
Similar to AIF |
| AIFF |
Similar to AIF |
| AIS |
ACDSee Image Sequence file |
| ALB |
JASC Image Commander album |
| ALL |
Arts & Letters Library |
| AMS |
Velvert Studio music module (MOD) file |
| ANC |
Canon Computer Pattern Maker file that is a selectable list
of pattern colors |
| ANI |
Animated Cursor |
| ANS |
ANSI text |
| API |
Application Program Interface file; used by Adobe Acrobat |
| APR |
Lotus Approach 97 file |
| APS |
Microsoft Visual C++ file |
| ARC |
LH ARC (old version) compressed archive |
| ARI |
Aristotle audio file |
| ARJ |
Robert Jung ARJ compressed archive |
| ART |
Xara Studio drawing |
| ART |
Canon Crayola art file |
| ASA |
Microsoft Visual InterDev file |
| ASC |
ASCII text |
| ASD |
WinWord AutoSave |
| ASF |
Microsoft Advanced Streaming Format file |
| ASM |
Assembler language source file |
| ASP |
Active Server Page (an HTML file containing a Microsoft
server-processed script) |
| ASP |
Procomm Plus setup and connection script |
| AST |
Claris Works "assistant" file |
| ASX |
Cheyenne Backup script |
| ASX |
Microsoft Advanced Streaming Redirector file |
| ATT |
AT&T Group 4 bitmap |
| AU |
UNIX sound file |
| AVI |
Microsoft Video for Windows movie |
| AWD |
FaxView document |
| BAK |
Backup file |
| BAS |
BASIC code |
| BAT |
Batch file |
| BFC |
Windows 95 Briefcase document |
| BG |
Backgammon for Windows game |
| BI |
Binary file |
| BIF |
GroupWise initialization file |
| BIN |
Binary file |
| BK |
Sometimes used to denote backup versions |
| BK$ |
Sometimes used to denote backup versions |
| BKS |
An IBM BookManager Read bookshelf |
| BMK |
An A bookmark file |
| BMP |
Windows or OS/2 bitmap |
| BM1 |
Apogee BioMenace data file |
| BRX |
A file for browsing an index of multimedia options |
| BSP |
Quake map |
| BS1 |
Apogee Blake Stone data file |
| BS_ |
Microsoft Bookshelf Find Menu shell extension |
| BTM |
Batch file used by Norton Utilities |
| BUN |
CakeWalk Audio Bundle file (a MIDI program) |
| B4 |
Helix Nuts and Bolts file |
| C |
C code |
| CAB |
Microsoft cabinet file (program files compressed for software
distribution) |
| CAL |
CALS Compressed Bitmap |
| CAL |
Calendar schedule data |
| CAS |
Comma-delimited ASCII file |
| CAT |
IntelliCharge categorization file used by Quicken |
| CB |
Microsoft clean boot file |
| CCB |
Visual Basic Animated Button configuration |
| CCF |
Multimedia Viewer configuration file used in OS/2 |
| CCH |
Corel Chart |
| CCM |
Lotus CC:Mail "box" (for example, INBOX.CCM) |
| CCO |
CyberChat data file |
| CCT |
Macromedia Director Shockwave cast |
| CDA |
CD Audio Track |
| CDF |
Microsoft Channel Definition Format file |
| CDI |
Phillips Compact Disk Interactive format |
| CDR |
CorelDraw drawing |
| CDT |
CorelDraw template |
| CDX |
CorelDraw compressed drawing |
| CEL |
CIMFast Event Language file |
| CER |
Certificate file (MIME x-x509-ca-cert) |
| CFB |
Comptons Multimedia file |
| CFG |
Configuration file |
| CGI |
Common Gateway Interface script file |
| CGM |
Computer Graphics Metafile |
| CH |
OS/2 configuration file |
| CHK |
File fragments saved by Windows Disk Defragmenter or ScanDisk |
| CHM |
Compiled HTML file |
| CHP |
Ventura Publisher chapter |
| CHT |
ChartViewer file |
| CHT |
Harvard Graphics vector file |
| CIL |
Clip Gallery download package |
| CIM |
Sim City 200 file |
| CIN |
OS/2 change control file that tracks changes to an INI file |
| CK1 |
iD/Apogee Commander Keen 1 data file |
| 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 |
| CLP |
Windows Clipboard file |
| CLS |
Visual Basic Class Module |
| CMD |
Command file for Windows NT (similar to a DOS .BAT file) |
| CMD |
DOS CP/M command file |
| CMD |
dBase-II program file |
| CMF |
Corel Metafile |
| CMP |
JPEG Bitmap |
| CMP |
Address document |
| CMV |
Corel Move animation |
| CMX |
Corel Presentation Exchange image |
| CNF |
Configuration file used by Telnet, Windows, and other applications
with varying internal formats |
| CNM |
Windows application menu options and setup file |
| CNQ |
Compuworks Design Shop file |
| CNT |
Windows (or other) system content files for the help index
and other purposes |
| COB |
trueSpace2 object |
| COD |
Microsoft C compiler output as displayable machine language/assembler
with original C as comments |
| COM |
Command file (program) |
| CPD |
Fax Cover document |
| CPE |
Fax Cover document |
| CPI |
Microsoft MS-DOS code page information file |
| CPL |
Control Panel extension |
| CPL |
Corel colour palette |
| CPP |
C++ code |
| CPR |
Corel Presents Presentation |
| CPT |
Corel Photo-Paint image |
| CPX |
Corel Presentation Exchange Compressed drawing |
| CRD |
Cardfile file |
| CRP |
Corel Presents Run-Time Presentation |
| CRT |
Certificate file |
| CSC |
Corel Script |
| CSP |
PC Emcee On-Screen image |
| CSS |
Cascading Style Sheet file (MIME) |
| CST |
Macromedia Director "Cast" (resource) file |
| CSV |
Comma-separated values file |
| CT |
Scitex CT Bitmap |
| CT |
A graphic file associated with the Paint Shop Pro Graphic
Editor |
| CTL |
A file containing control information. FAXWorks keeps information
each fax sent and received |
| CUE |
Microsoft Cue Cards data |
| CUR |
Windows Cursor |
| CUT |
Dr Halo bitmap |
| CV |
Corel Versions archive |
| CV |
Microsoft CodeView information screen |
| CWK |
Claris Works data file |
| CWS |
Claris Works template |
| CXT |
Macromedia Director protected (not editable) "Cast"
(resource) file |
| CXX |
C++ source code file |
| DAT |
Data file |
| DAT |
WordPerfect Merge Data |
| DBF |
Aston-Tate dBASE database |
| DBX |
DataBeam image |
| DCR |
Shockwave file |
| DCS |
Desktop Color Separation file |
| DCX |
Fax image (based on PCX) |
| DDF |
BTRIEVE database |
| DEF |
SmartWare II data file |
| DEF |
C++ Definition |
| DER |
Certificate file |
| DIB |
Device-Independent Bitmap |
| DIC |
Dictionary |
| DIF |
Data Interchange Format spreadsheet |
| DIR |
Macromedia Director file |
| DIZ |
Description file |
| DLG |
C++ Dialogue Script |
| DLL |
Dynamic-Link Library |
| DMF |
X-Trakker music module (MOD) file |
| DOC |
FrameMaker or FrameBuilder document |
| DOC |
WordStar document |
| DOC |
WordPerfect document |
| DOC |
Microsoft Word document |
| DOT |
Microsoft Word document Template |
| DPR |
Borland Delphi project header file |
| DRV |
Driver File |
| DRW |
Micrografx Designer/Draw |
| DSG |
DooM saved game |
| DSM |
Dynamic Studio music module (MOD) file |
| DSP |
Microsoft Developer Studio project |
| DSQ |
Corel QUERY file |
| DSW |
Microsoft Developer Studio workspace |
| DTF |
Symantec Q&A relational database data file |
| DUN |
Microsoft Dial-up Networking Export file |
| DV |
Digital video file (MIME) |
| DWD |
DiamondWare digitized file |
| DWG |
AutoCAD drawing, or older Generic CADD drawing format |
| DXF |
Drawing Interchange (eXchange) format,a text representation
of the binary DWG format |
| DXR |
Macromedia Director protected (not editable) movie file |
| F |
FORTRAN file |
| F77 |
FORTRAN file |
| F90 |
FORTRAN file |
| FAR |
Farandole Composer music module (MOD) file |
| FAV |
Microsoft Outlook navigation bar |
| FAX |
FAX Type image |
| FCL |
Cyber Audio Library link file |
| FDF |
Adobe Acrobat Forms Document file |
| FH3 |
Aldus Freehand 3 drawing |
| FIF |
Fractal image file |
| FITS |
CCD camera image |
| FLC |
AutoDesk FLIC animation |
| FLI |
AutoDesk FLIC animation |
| FLT |
Corel filter |
| FLT |
StarTrekker music module (MOD) file |
| FMB |
Oracle binary source code for form, version 4.0 and later |
| FML |
File Mirror List (GetRight) |
| FMT |
Oracle text format of form, version 4.0 and later |
| FMT |
Microsoft Schedule+ print file |
| FMX |
Oracle executable form, version 4.0 and later |
| FND |
Microsoft Explorer Saved Search file (Find applet) |
| FNG |
Font group file (Font Navigator) |
| FOG |
Fontographer font |
| FON |
System font |
| FOR |
FORTRAN file |
| FOT |
Font-related file |
| FP |
FileMaker Pro file |
| FP1 |
Flying Pigs for Windows data file |
| FP3 |
FileMaker Pro file |
| FPX |
FlashPix bitmap |
| FRM |
Form |
| FRM |
FrameMaker or FrameBuilder document |
| FRM |
Oracle executable form version 3.0 and earlier |
| FRM |
Visual Basic form |
| FRM |
WordPerfect Merge form |
| FRX |
Visual Basic form stash file |
| FTS |
Full-Text Search index file resulting from using Find in
the Windows help system |
| FW3 |
Framework III file |
| FW4 |
Framework IV file |
| GAL |
Corel Multimedia Manager album |
| GCD |
Generic (TM) CADD drawing (later versions) |
| GCP |
Ground Control Point file used in image processing of remote
sensing data to form map projections |
| GED |
Graphic Environment Document (drawing) |
| GEM |
GEM metafile |
| GEN |
Ventura-Generated text file |
| GetRight |
GetRight Unfinished-Download file |
| GFC |
Patton&Patton Flowcharting 4 flowchart file |
| GFI |
Genigraphics Graphics Link presentation |
| GFX |
Genigraphics Graphics Link presentation |
| GID |
Windows 95 global index file (containing help status) |
| GIF |
CompuServe bitmap |
| GIM |
Genigraphics Graphics Link presentation |
| GIX |
Genigraphics Graphics Link presentation |
| GKS |
Gravis GripKey document |
| GNA |
Genigraphics Graphics Link presentation |
| GNX |
Genigraphics Graphics Link presentation |
| GRA |
Microsoft Graph |
| GRD |
Grid file, used in image processing of remote sensing data
often to form map projections |
| GRP |
Program Manager Group |
| GTK |
Graoumftracker (old) music module (MOD) file |
| GT2 |
Graoumftracker (new) music module (MOD) file |
| GWX |
Genigraphics Graphics Link presentation |
| GWZ |
Genigraphics Graphics Link presentation |
| GZ |
Unix Gzip compressed file |
