Extension |
Description |
ABK |
Corel Draw AutoBackup |
ACL |
Corel Draw 6 keyboard accelerator |
ACM |
Used by Windows in the system directory |
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 |
AI |
Adobe Illustrator drawing |
AIF |
Apple Mac AIFF sound |
ALB |
JASC Image Commander album |
ALL |
Arts & Letters Library |
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 |
ARC |
LH ARC (old version) compressed archive |
ARJ |
Robert Jung ARJ compressed archive |
ART |
Xara Studio drawing |
ART |
Canon Crayola art file |
ASC |
ASCII text |
ASD |
WinWord AutoSave |
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 |
ATT |
AT&T Group 4 bitmap |
AVI |
Microsoft Video for Windows movie |
AWD |
FaxView document |
Extension |
Description |
B4 |
Helix Nuts and Bolts file |
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 and BK$ |
Sometimes used to denote backup versions |
BKS |
An IBM BookManager Read bookshelf |
BM1 |
Apogee BioMenace data file |
BMK |
An A bookmark file |
BMP |
Windows or OS/2 bitmap |
BRX |
A file for browsing an index of multimedia options |
BS1 |
Apogee Blake Stone data file |
BTM |
Batch file used by Norton Utilities |
Extension |
Description |
C |
C code |
CAB |
Microsoft cabinet file (program files compressed for software distribution) |
CAL |
CALS Compressed Bitmap |
CAL |
Calendar schedule data |
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 |
CDA |
CD Audio Track |
CDF |
Microsoft Channel Definition Format file |
CDR |
Core Draw drawing |
CDT |
Corel Draw template |
CDX |
Corel Draw compressed drawing |
CFB |
Comptons Multimedia file |
CFG |
Configuration file |
CGI |
Common Gateway Interface script file |
CGM |
Computer Graphics Metafile |
CH |
OS/2 configuration file |
CHP |
Ventura Publisher chapter |
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 |
CMF |
Corel Metafile |
CMP |
JPEG Bitmap |
CMP |
Address document |
CMV |
Corel Move animation |
CMX |
Corel Presentation Exchange image |
CNF |
Configuration file used by Telnet |
CNM |
Windows application menu options and setup file |
CNQ |
Compuworks Design Shop file |
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 |
CPH |
Corel Publishing House |
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 |
CSV |
Comma delimited text |
CT |
Scitex CT Bitmap Used in general to mean a file containing control information. |
CTL |
FAXWorks uses it to keep information about 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 |
Extension |
Description |
DAT |
WordPerfect Merge Data |
DAT |
Data file |
DBF |
Aston-Tate dBASE databse |
DBX |
DataBeam image |
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 |
DLG |
C++ Dialogue Script |
DLL |
Dynamic-Link Library |
DOC |
WordStar Document |
DOC |
WordPerfect Document |
DOC |
Microsoft Word Document |
DOT |
Microsoft Word Document Template |
DRV |
Driver |
DRW |
Micrografx Designer/Draw |
DSQ |
Corel QUERY file |
DWG |
AutoCAD drawing |
DXF |
AutoDesk Drawing Interchange Format |
Extension |
Description |
EMF |
Enhanced Windows Metafile |
ENC |
Encore file |
EPS |
Encapsulated PostScript image |
ER1 |
ERWin file |
ERX |
ERWin file |
EVY |
Envoy document |
EWL |
Microsoft Encarta document |
EXE |
Executable file (program) |
Extension |
Description |
F |
FORTRAN file |
F77 |
FORTRAN file |
F90 |
FORTRAN file |
FAV |
Microsoft Outlook navigation bar |
FAX |
FAX Type image |
FH3 |
Aldus Freehand 3 drawing |
FIF |
Fractal image file |
FLC |
AutoDesk FLIC animation |
FLI |
AutoDesk FLIC animation |
FLT |
Corel filter |
FMT |
Microsoft Schedule+ print file |
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 |
WordPerfect Merge Form |
FRM |
Visual Basic form |
FRX |
Visual Basic form stash file |
Extension |
Description |
GAL |
Corel Multimedia Manager album |
GED |
Graphic Environment Document (drawing) |
GEM |
GEM metafile |
GEN |
Ventura-Generated text 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 |
GNA |
Genigraphics Graphics Link presentation |
GNX |
Genigraphics Graphics Link presentation |
GRA |
Microsoft Graph |
GRP |
Program Manager Group |
GWX |
Genigraphics Graphics Link presentation |
GWZ |
Genigraphics Graphics Link presentation |
GZ |
Unix Gzip compressed file |
Extension |
Description |
H |
C program header |
HED |
HighEdit document |
HEL |
Microsoft Hellbender saved game |
HEX |
Macintosh BinHex 2.0 file |
HGL |
HP Graphics Language drawing |
HLP |
Help file |
HPJ |
Visual Basic Help Project |
HPP |
C++ program header |
HQX |
Macintosh BinHex 4.0 file |
HST |
History file |
HT |
HyperTerminal |
HTM |
Hypertext document |
HTML |
Hypertext document |
Extension |
Description |
ICA |
Citrix file |
ICB |
Targa bitmap |
ICO |
Windows Icon |
IDD |
MIDI Instrument Definition |
IFF |
Aminga ILBM |
IGF |
Inset Systems metafile |
IIF |
QuickBooks for Windows interchange file |
IMA |
WinImage file |
IMG |
GEM image |
INF |
Information file |
INI |
Initialization file |
INS |
X-Internet sign-up file |
ISP |
X-Internet sign-up file |
IW |
Idlewild screensaver |
Extension |
Description |
JFF |
JPEG bitmap |
JIF |
JPEG bitmap |
JN1 |
Epic MegaGames Jill of the Jungle data file |
JPEG |
JPEG bitmap |
JPG |
JPEG bitmap |
JTF |
JPEG bitmap |
Extension |
Description |
KDC |
Kodak Photo-Enhancer |
KFX |
KoFax Group 4 image |
KYE |
Kye game data |
Extension |
Description |
LBM |
Deluxe Paint bitmap |
LDB |
Microsoft Access lock file |
LEG |
Legacy document |
LIB |
Library |
LOG |
Log file |
LPD |
Helix Nuts and Bolts file |
LRC |
Intel Video Phone file |
LST |
List file |
LZH |
LH ARC compressed archive |
LZS |
Skyroads data file |
Extension |
Description |
M3D |
Corel Motion 3D animation |
MAC |
MacPaint image |
MAD |
Microsoft Access module |
MAF |
Microsoft Access Form |
MAK |
Visual Basic or MS Visual C++ Project |
MAM |
Microsoft Access Macro |
MAP |
Map file |
MAQ |
Microsoft Access Query |
MAR |
Microsoft Access Report |
MAT |
Microsoft Access Table |
MAZ |
Hover maze data |
MB1 |
Apogee Monster Bash data file |
MCC |
Dialer10 calling card |
MCS |
MathCAD image |
MCW |
Microsoft Word for Macintosh document |
MDA |
Microsoft Access add-in |
MDB |
Microsoft Access database |
MDE |
Microsoft Access MDE file |
MDN |
Microsoft Access blank database template |
MDW |
Microsoft Access Workgroup |
MDZ |
Microsoft Access wizard template |
MET |
Presentation Manager Metafile |
MI |
Miscellaneous |
MIC |
Microsoft Image Composer file |
MID |
MIDI music |
MMF |
Microsoft Mail File |
MMM |
Microsoft Multimedia Movie |
MOD |
Microsoft Multiplan spreadsheet |
MOV |
QuickTime for Windows movie |
MPE |
MPEG animation |
MPEG |
MPEG animation |
MPG |
MPEG animation |
MSG |
Microsoft Mail message |
MSN |
Microsoft Network document |
MSP |
Microsoft Paint bitmap |
MUS |
Music |
MVB |
Microsoft Multimedia Viewer file |
Extension |
Description |
NAP |
NAP Metafile Vector image |
Extension |
Description |
OBD |
Microsoft Office Binder |
OBD |
Microsoft Office binder template |
OBJ |
Object file |
OBZ |
Microsoft Office Binder Wizard |
OCX |
Microsoft Object Linking and Embedding custom control |
OFN |
Microsoft Office FileNew file |
OFT |
Microsoft Outlook template |
OLB |
OLE Object Library |
OLE |
OLE object |
ORG |
Organiser file |
Extension |
Description |
P10 |
Tektronix Plot 10 drawing |
P65 |
Pagemaker 6.5 file |
PAB |
Microsoft Personal Address Book |
PAL |
Windows colour palette |
PAT |
Corel Draw pattern |
PBK |
Microsoft Phonebook |
PBM |
Portable Bitmap |
PCD |
Kodak Photo-CD image |
PCL |
HP Laserjet bitmap |
PCS |
PICS animation |
PCT |
Macintosh PICT drawing |
PCX |
ZSoft PC Paintbrush bitmap |
|
Adobe Acrobat Portable Document Format |
PFA |
Type 1 font (ASCII) |
PFB |
Type 1 font (binary) |
PFC |
PF Component |
PFM |
Printer Font Metrics |
PGL |
HP Plotter drawing |
PGM |
Portable Graymap (bitmap) |
PIC |
PC Paint bitmap |
PIC |
Lotus picture |
PIC |
Macintosh PICT drawing |
PIF |
Program Information File |
PIF |
IBM PIF drawing |
PIN |
Epic Pinball data file |
PIN |
Epic Pinball data file |
PIX |
Inset Systems bitmap |
PLT |
HPGL Plotter drawing |
PLT |
AutoCAD Plot drawing |
PM5 |
Pagemaker 5.0 file |
PM6 |
Pagemaker 6.0 file |
PNG |
Portable Network Graphics bitmap |
PNG |
Paint Shop Pro Browser catalogue |
PNT |
MacPaint graphic file |
POT |
Microsoft PowerPoint Template |
PP4 |
Picture Publisher 4 bitmap |
PPA |
Microsoft PowerPoint Add-in |
PPM |
Portable Pixelmap bitmap |
PPS |
Microsoft PowerPoint slide show |
PPT |
Microsoft PowerPoint presentation |
PRE |
Lotus Freelance presentation |
PRF |
Windows system file |
PRN |
Print Table (space delimited text) |
PRS |
Harvard Graphics for Windows presentation |
PS |
Postscript Interpreted drawing |
PSD |
Adobe Photoshop bitmap |
PST |
Microsoft Outlook Personal Folder File |
PUB |
Ventura Publisher publication |
PUB |
Microsoft Publisher document |
PWD |
Microsoft Pocket Word document |
PWZ |
Microsoft PowerPoint Wizard |
PXL |
Microsoft Pocket Excel spreadsheet |
Extension |
Description |
QAD |
PF QuickArt Document |
QBW |
QuickBooks for Windows file |
QLB |
Quick Library |
QRY |
Microsoft Query |
QT |
QuickTime Movie |
QTM |
QuickTime Movie |
Extension |
Description |
RA |
Real Audio sound |
RAM |
Real Audio sound |
RAS |
Sun Raster Images bitmap |
RAW |
Raw File Format (bitmap) |
RC |
Microsoft Visual C++ Resource Script |
REC |
Recorder macro |
REG |
Registration file |
RES |
Microsoft Visual C++ Resource |
RFT |
RFT-DCA |
RLE |
Run-Length Encoded bitmap |
RMI |
MIDI music |
ROV |
Rescure Rover data file |
RPT |
Microsoft Visual Basic Crystal Reports file |
RTF |
Rich Text Format document |
Extension |
Description |
SAM |
Ami Professional document |
SAV |
Saved game file |
SC2 |
Microsoft Schedule+ 7 |
SCD |
Matrix/Imapro SCODL slide image |
SCD |
Microsoft Schedule+ 7 |
SCH |
Microsoft Schedule+ 1 |
SCP |
Dial-Up Networking Script |
SCR |
Windows screensaver |
SCR |
Fax image |
SCT |
Scitex CT bitmap |
SDL |
SmartDraw library |
SDR |
SmartDraw drawing |
SDT |
SmartDraw template |
SEA |
Self-expanding archive (used by Stuffit for Mac files and possibly by others) |
SEP |
Tagged Image File Format (TIFF) bitmap |
SHB |
Corel Show presentation |
SHB |
Document shortcut file |
SHG |
Hotspot bitmap |
SHS |
Shell scrap file |
SHW |
Corel Show presentation |
SIT |
Stuffit archive of Mac files |
SLK |
Symbolic Link (SYLK) spreadsheet |
SND |
NeXT sound |
SND |
Mac Sound Resource |
STY |
Ventura Publisher style sheet |
SVX |
Amiga 8SVX sound |
SYS |
System file |
Extension |
Description |
TAR |
Tape Archive |
TAZ |
Unix Gzip/Tape Archive |
TEX |
Texture file |
TGA |
Targa bitmap |
TGZ |
Unix Gzip/Tape Archive |
THEME |
Windows 95 Desktop Theme |
THN |
Graphics Workshop for Windows thumbnail |
TIF |
Tagged Image File Format (TIFF) bitmap |
TIFF |
Tagged Image File Format (TIFF) bitmap |
TIG |
Tiger file |
TLB |
OLE Type Library |
TMP |
Windows temporary file |
TRM |
Terminal file |
TTF |
TrueType font |
TWF |
TabWorks file |
TWW |
Tagwrite Template |
TX8 |
MS-DOS Text |
TXT |
Text |
Extension |
Description |
UDF |
Windows NT Uniqueness Database File |
URL |
Internet shortcut |
Extension |
Description |
VBP |
Visual Basic Project |
VBX |
Visual Basic custom control |
VCF |
Vevi Configuration File; defines objects for use with Sense8's WorldToolKit |
VDA |
Targa bitmap |
VLB |
Corel Ventura Library |
VOC |
Creative Labs Sound Blaster sound |
VP |
Ventura Publisher publication |
VST |
Targa bitmap |
VSW |
Visio Workspace file |
Extension |
Description |
WAV |
Windows Waveform sound |
WB1 |
QuattroPro for Windows spreadsheet |
WB2 |
QuattroPro for Windows spreadsheet |
WBK |
Microsoft Word Backup |
WBL |
Argo WebLoad II upload file |
WCM |
WordPerfect Macro |
WDB |
Microsoft Works database |
WEB |
CorelXara Web document |
WGP |
Wild Board Games data file |
WID |
Ventura width table |
WIL |
WinImage file |
WIZ |
Microsoft Word Wizard |
WK1 |
Lotus 123 versions 1 & 2 spreadsheet |
WK3 |
Lotus 123 version 3 spreadsheet |
WK4 |
Lotus 123 version 4 spreadsheet |
WKS |
Lotus 123 Worksheet spreadsheet |
WKS |
Microsoft Works document |
WLF |
Argo WebLoad I upload file |
WLL |
Microsoft Word Add-In |
WMF |
Windows Metafile |
WP |
WordPerfect document |
WP4 |
WordPerfect 4 document |
WP5 |
WordPerfect 5 document |
WP6 |
WordPerfect 6 document |
WPD |
WordPerfect Demo |
WPD |
WordPerfect Document |
WPG |
WordPerfect Graphic |
WPS |
Microsoft Works document |
WPT |
WordPerfect Template |
WPW |
Novel PerfectWorks document |
WQ1 |
QuattroPro/DOS spreadsheet |
WQ2 |
QuattroPro/DOS version 5 spreadsheet |
WRI |
Write document |
WRL |
Virtual Reality model |
WS1 |
WordStar for Windows 1 document |
WS2 |
WordStar for Windows 2 document |
WS3 |
WordStar for Windows 3 document |
WS4 |
WordStar for Windows 4 document |
WS5 |
WordStar for Windows 5 document |
WS6 |
WordStar for Windows 6 document |
WS7 |
WordStar for Windows 7 document |
WSD |
WordStar 2000 document |
WVL |
Wavelet Compressed Bitmap |
Extension |
Description |
XAR |
Corel Xara drawing |
XLA |
Microsoft Excel add-in |
XLB |
Microsoft Excel toolbar |
XLC |
Microsoft Excel chart |
XLD |
Microsoft Excel dialogue |
XLK |
Microsoft Excel backup |
XLM |
Microsoft Excel macro |
XLS |
Microsoft Excel worksheet |
XLT |
Microsoft Excel template |
XLV |
Microsoft Excel VBA module |
XLW |
Microsoft Excel workbook / workspace |
XR1 |
Epic MegaGames Xargon data file |
XTP |
XTree data file |
XY3 |
XYWrite III document |
XY4 |
XYWrite IV document |
XYP |
XYWrite III Plus document |
XYW |
XYWrite for Windows 4.0 document |
Extension |
Description |
Z |
Unix Gzip Compressed |
ZIP |
Zip file Compressed archive |