kudugempak
11-06-12, 11:26 PM
A
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
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
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
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
B
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$
Also 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
BTM
Batch file used by Norton Utilities
B4
Helix Nuts and Bolts file
C
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)
CDA
CD Audio Track
CDF
Microsoft Channel Definition Format file
CDI
Phillips Compact Disk Interactive format
CDR
Core Draw drawing
CDT
Corel Draw template
CDX
Corel Draw compressed drawing
CEL
CIMFast Event Language file
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
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
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
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 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
CSV
Comma-separated values file
CT
Scitex CT Bitmap
CTL
Used in general to mean a file containing control information.
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
CXX
C++ source code file
D
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
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
DWG
AutoCAD drawing eXchange format
DXF
AutoDesk Drawing Interchange format
E
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)
F
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
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
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
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
G
GAL
Corel Multimedia Manager album
GCP
Ground Control Point file used in image processing of remote sensing data .
GED
Graphic Environment Document (drawing)
GEM
GEM metafile
GEN
Ventura-Generated text 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
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
H
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
HOG
Lucas Arts Dark Forces WAD 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
HTX
Extended HTML template
I
ICA
Citrix file
ICB
Targa bitmap
ICM
Image Color Matching profile file
ICO
Windows Icon
IDD
MIDI Instrument Definition
IDQ
Internet Data Query file
IFF
Amiga ILBM
IGF
Inset Systems metafile
IIF
QuickBooks for Windows interchange file
IMA
WinImage file
IMG
GEM image
INC
Assembler language or Active Server include file
INF
Information file
INI
Initialization file
INP
Oracle source code for form, version 3.0 and earlier
INS
InstallShield install script
INS
X-Internet sign-up file
ISO
Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM file system standard
ISP
X-Internet sign-up file
ISU
InstallShield uninstall script
IT
Impulse Tracker music module (MOD) file
IW
Idlewild screensaver
J
JAR
Java ARchive file (a compressed file for applets and related files)
JAVA
Java source code
JBF
Paint Shop Pro image browser file
JFF
JPEG bitmap
JIF
JPEG bitmap
JMP
SAS JMPDiscovery chart-to-statistics file
JN1
Epic MegaGames Jill of the Jungle data file
JPEG
JPEG bitmap
JPG
JPEG bitmap
JS
JavaScript source code
JTF
JPEG bitmap
K
KDC
Kodak Photo-Enhancer
KFX
KoFax Group 4 image
KYE
Kye game data
L
LBM
Deluxe Paint bitmap
LDB
Microsoft Access lock file
LEG
Legacy document
LHA
Alternate file suffix for LZH
LIB
Library
LIS
Output file produced by a Structured Query Reporting (SQR) program
LOG
1. Log file
LOG
2. Log file used by pokerstars (http://www.pokerstars.com/) for errors in their poker software
LPD
Helix Nuts and Bolts file
LRC
Intel Video Phone file
LST
List file
LWO
Lightwave Object file
LWP
Lotus Wordpro 96/97 file
LZH
LH ARC compressed archive
LZS
Skyroads data file
M
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
MAP
Duke Nukem 3D WAD game file
MAQ
Microsoft Access Query
MAR
Microsoft Access Report
MAS
Lotus Freelance Graphics Smartmaster file
MAT
Microsoft Access Table
MAX
Paperport file
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
MDL
Digital Tracker music module (MOD) file
MDL
Quake model file
MDN
Microsoft Access blank database template
MDW
Microsoft Access Workgroup
MDZ
Microsoft Access wizard template
MED
Music Editor, OctaMED music module (MOD) file
MER
Format for interchanging spreadsheet/database data; recognized by Filemaker, Excel, and others
MET
Presentation Manager metafile
MI
Miscellaneous
MIC
Microsoft Image Composer file
MID
MIDI music
MMF
Microsoft Mail File
MMM
Microsoft Multimedia Movie
MOD
FastTracker, StarTrekker, Noise Tracker (etc.) music module file
MOD
Microsoft Multiplan spreadsheet
MOV
QuickTime for Windows movie
MPE
MPEG animation
MPEG
MPEG animation
MPG
MPEG animation
MPP
Microsoft Project file
MPP
CAD drawing file format
MP3
MPEG Audio Layer 3 (AC3) file
MSG
Microsoft Mail message
MSN
Microsoft Network document
MSP
Microsoft Paint bitmap
MTM
MultiTracker music module (MOD) file
MUS
Music
MVB
Microsoft Multimedia Viewer file
MWP
Lotus Wordpro 97 Smartmaster file
N
NAP
NAP Metafile
NCB
Microsoft Developer Studio file
NSF
Lotus Notes database
NST
Noise Tracker music module (MOD) file
NTF
Lotus Notes database template
O
OBD
Microsoft Office binder template
OBD
Microsoft Office Binder
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
OKT
Oktalyzer music module (MOD) file
OLB
OLE Object Library
OLE
OLE object
OPT
Microsoft Developer Studio file
ORG
Lotus Organiser file
OR2
Lotus Organiser 2 file
OR3
Lotus Organiser 97 file
P
P10
Tektronix Plot 10 drawing
PAB
Microsoft Personal Address Book
PAK
Quake WAD file
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
PDF
Adobe Acrobat Portable Document Format or Netware Printer Definition File
PDF
Package Definition File from Microsoft Systems Management Server
PDQ
Patton&Patton Flowcharting PDQ Lite file
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
PIG
Lucas Arts Dark Forces WAD file
PIN
Epic Pinball data file
PIN
Epic Pinball data file
PIX
Inset Systems bitmap
PJ
MKS Source Integrity file
PKG
Microsoft Developer Studio application extension (similar to a DLL file)
PL
Perl program
PLT
HPGL Plotter drawing
PLT
AutoCAD Plot drawing
PM5
Pagemaker 5.0 file
PM6
Pagemaker 6.0 file
P65
Pagemaker 6.5 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
PRZ
Lotus Freelance Graphics 97 file
PS
Postscript Interpreted drawing
PSD
Adobe Photoshop bitmap
PST
Microsoft Outlook Personal Folder File
PTM
Polytracker music module (MOD) file
PUB
Ventura Publisher publication
PUB
Microsoft Publisher document
PWD
Microsoft Pocket Word document
PWZ
Microsoft PowerPoint Wizard
PXL
Microsoft Pocket Excel spreadsheet
Q
QAD
PF QuickArt Document
QBW
QuickBooks for Windows file
QDT
Quick Books data file from the Quicken UK Accountancy/Tax/Invoice program
QLB
Quick Library
QRY
Microsoft Query
QT
QuickTime Movie
QTM
QuickTime Movie
QXD
Quark XPress file
R
R
Pegasus Mail resource file
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
RM
Real Audio video file
RMI
MIDI music
ROV
Rescue Rover data file
RPT
Microsoft Visual Basic Crystal Reports file
RTF
Rich Text Format document
RTM
Real Tracker music module (MOD) file
S
SAM
Ami Professional document
SAV
Saved game file
SCC
Microsoft Source Safe file
SCD
Matrix/Imapro SCODL slide image
SCD
Microsoft Schedule+ 7
SCH
Microsoft Schedule+ 1
SCN
trueSpace2 scene
SCP
Dial-Up Networking Script
SCR
Windows screensaver
SCR
Fax image
SCT
Scitex CT bitmap
SC2
Microsoft Schedule+ 7
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
SQC
Structured Query Language (SQR) common code file
SQR
Structured Query Language (SQR) program file
STM
Scream Tracker music module (MOD) file
STY
Ventura Publisher style sheet
SVX
Amiga 8SVX sound
SYS
System file
S3M
Scream Tracker 3 music module (MOD) file
T
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
Tag Image File Format (TIFF) bitmap
TIFF
Tag Image File Format (TIFF) bitmap
TIG
Tiger file, used by US government to distribute maps
TLB
OLE Type Library
TMP
Windows temporary file
TRM
Terminal file
TRN
MKS Source Integrity project usage log
TTF
TrueType font
TWF
TabWorks file
TWW
Tagwrite Template
TX8
MS-DOS Text
TXT
Text
T2T
Sonata CAD modelling software file
U
UDF
Windows NT Uniqueness Database File
ULT
Ultratracker music module (MOD) file
URL
Internet shortcut
USE
MKS Source Integrity file
V
VBP
Visual Basic Project
VBW
Microsoft Visual Basic workspace
VBX
Visual Basic custom control
VCF
Vevi Configuration File; defines objects for use with Sense8's WorldToolKit
VDA
Targa bitmap
VI
Virtual Instrument file from National Instruments LABView product
VLB
Corel Ventura Library
VOC
Creative Labs Sound Blaster sound
VP
Ventura Publisher publication
VSD
Visio drawing (flow chart or schematic)
VST
Targa bitmap
VSW
Visio Workspace file
VXD
Microsoft Windows virtual device driver
W
WAD
Large file for Doom game containing video, player level, and other information
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
WOW
Grave Composer music module (MOD) file
WP
WordPerfect document
WPW
Novel PerfectWorks 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
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
X
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
XM
FastTracker 2, Digital Tracker music module (MOD) file
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
Y
YAL
Arts & Letters clipart library
YBK
Microsoft Encarta Yearbook
Z
Z
Unix Gzip
ZIP
Zip file
ZOO
An early compressed file format
Numbers and symbols
000-999
Used to number old versions of files and number related data files
12M
Lotus 123 97 Smartmaster file
123
Lotus 123 97 file
2GR and 3GR
VGA Graphics driver/configuration files under Windows
386
A file for use in an 80386 or higher microprocessor
669
Composer 669, Unis Composer music mod file
#01 and higher
A method of numbering picture files for a roll of film that has been scanned
$$$
Used by OS/2 to keep track of archived files
@@@
Screen files used in the installation and instruction on use of applications
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
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
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
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
B
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$
Also 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
BTM
Batch file used by Norton Utilities
B4
Helix Nuts and Bolts file
C
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)
CDA
CD Audio Track
CDF
Microsoft Channel Definition Format file
CDI
Phillips Compact Disk Interactive format
CDR
Core Draw drawing
CDT
Corel Draw template
CDX
Corel Draw compressed drawing
CEL
CIMFast Event Language file
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
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
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
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 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
CSV
Comma-separated values file
CT
Scitex CT Bitmap
CTL
Used in general to mean a file containing control information.
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
CXX
C++ source code file
D
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
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
DWG
AutoCAD drawing eXchange format
DXF
AutoDesk Drawing Interchange format
E
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)
F
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
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
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
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
G
GAL
Corel Multimedia Manager album
GCP
Ground Control Point file used in image processing of remote sensing data .
GED
Graphic Environment Document (drawing)
GEM
GEM metafile
GEN
Ventura-Generated text 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
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
H
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
HOG
Lucas Arts Dark Forces WAD 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
HTX
Extended HTML template
I
ICA
Citrix file
ICB
Targa bitmap
ICM
Image Color Matching profile file
ICO
Windows Icon
IDD
MIDI Instrument Definition
IDQ
Internet Data Query file
IFF
Amiga ILBM
IGF
Inset Systems metafile
IIF
QuickBooks for Windows interchange file
IMA
WinImage file
IMG
GEM image
INC
Assembler language or Active Server include file
INF
Information file
INI
Initialization file
INP
Oracle source code for form, version 3.0 and earlier
INS
InstallShield install script
INS
X-Internet sign-up file
ISO
Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM file system standard
ISP
X-Internet sign-up file
ISU
InstallShield uninstall script
IT
Impulse Tracker music module (MOD) file
IW
Idlewild screensaver
J
JAR
Java ARchive file (a compressed file for applets and related files)
JAVA
Java source code
JBF
Paint Shop Pro image browser file
JFF
JPEG bitmap
JIF
JPEG bitmap
JMP
SAS JMPDiscovery chart-to-statistics file
JN1
Epic MegaGames Jill of the Jungle data file
JPEG
JPEG bitmap
JPG
JPEG bitmap
JS
JavaScript source code
JTF
JPEG bitmap
K
KDC
Kodak Photo-Enhancer
KFX
KoFax Group 4 image
KYE
Kye game data
L
LBM
Deluxe Paint bitmap
LDB
Microsoft Access lock file
LEG
Legacy document
LHA
Alternate file suffix for LZH
LIB
Library
LIS
Output file produced by a Structured Query Reporting (SQR) program
LOG
1. Log file
LOG
2. Log file used by pokerstars (http://www.pokerstars.com/) for errors in their poker software
LPD
Helix Nuts and Bolts file
LRC
Intel Video Phone file
LST
List file
LWO
Lightwave Object file
LWP
Lotus Wordpro 96/97 file
LZH
LH ARC compressed archive
LZS
Skyroads data file
M
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
MAP
Duke Nukem 3D WAD game file
MAQ
Microsoft Access Query
MAR
Microsoft Access Report
MAS
Lotus Freelance Graphics Smartmaster file
MAT
Microsoft Access Table
MAX
Paperport file
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
MDL
Digital Tracker music module (MOD) file
MDL
Quake model file
MDN
Microsoft Access blank database template
MDW
Microsoft Access Workgroup
MDZ
Microsoft Access wizard template
MED
Music Editor, OctaMED music module (MOD) file
MER
Format for interchanging spreadsheet/database data; recognized by Filemaker, Excel, and others
MET
Presentation Manager metafile
MI
Miscellaneous
MIC
Microsoft Image Composer file
MID
MIDI music
MMF
Microsoft Mail File
MMM
Microsoft Multimedia Movie
MOD
FastTracker, StarTrekker, Noise Tracker (etc.) music module file
MOD
Microsoft Multiplan spreadsheet
MOV
QuickTime for Windows movie
MPE
MPEG animation
MPEG
MPEG animation
MPG
MPEG animation
MPP
Microsoft Project file
MPP
CAD drawing file format
MP3
MPEG Audio Layer 3 (AC3) file
MSG
Microsoft Mail message
MSN
Microsoft Network document
MSP
Microsoft Paint bitmap
MTM
MultiTracker music module (MOD) file
MUS
Music
MVB
Microsoft Multimedia Viewer file
MWP
Lotus Wordpro 97 Smartmaster file
N
NAP
NAP Metafile
NCB
Microsoft Developer Studio file
NSF
Lotus Notes database
NST
Noise Tracker music module (MOD) file
NTF
Lotus Notes database template
O
OBD
Microsoft Office binder template
OBD
Microsoft Office Binder
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
OKT
Oktalyzer music module (MOD) file
OLB
OLE Object Library
OLE
OLE object
OPT
Microsoft Developer Studio file
ORG
Lotus Organiser file
OR2
Lotus Organiser 2 file
OR3
Lotus Organiser 97 file
P
P10
Tektronix Plot 10 drawing
PAB
Microsoft Personal Address Book
PAK
Quake WAD file
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 or Netware Printer Definition File
Package Definition File from Microsoft Systems Management Server
PDQ
Patton&Patton Flowcharting PDQ Lite file
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
PIG
Lucas Arts Dark Forces WAD file
PIN
Epic Pinball data file
PIN
Epic Pinball data file
PIX
Inset Systems bitmap
PJ
MKS Source Integrity file
PKG
Microsoft Developer Studio application extension (similar to a DLL file)
PL
Perl program
PLT
HPGL Plotter drawing
PLT
AutoCAD Plot drawing
PM5
Pagemaker 5.0 file
PM6
Pagemaker 6.0 file
P65
Pagemaker 6.5 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
PRZ
Lotus Freelance Graphics 97 file
PS
Postscript Interpreted drawing
PSD
Adobe Photoshop bitmap
PST
Microsoft Outlook Personal Folder File
PTM
Polytracker music module (MOD) file
PUB
Ventura Publisher publication
PUB
Microsoft Publisher document
PWD
Microsoft Pocket Word document
PWZ
Microsoft PowerPoint Wizard
PXL
Microsoft Pocket Excel spreadsheet
Q
QAD
PF QuickArt Document
QBW
QuickBooks for Windows file
QDT
Quick Books data file from the Quicken UK Accountancy/Tax/Invoice program
QLB
Quick Library
QRY
Microsoft Query
QT
QuickTime Movie
QTM
QuickTime Movie
QXD
Quark XPress file
R
R
Pegasus Mail resource file
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
RM
Real Audio video file
RMI
MIDI music
ROV
Rescue Rover data file
RPT
Microsoft Visual Basic Crystal Reports file
RTF
Rich Text Format document
RTM
Real Tracker music module (MOD) file
S
SAM
Ami Professional document
SAV
Saved game file
SCC
Microsoft Source Safe file
SCD
Matrix/Imapro SCODL slide image
SCD
Microsoft Schedule+ 7
SCH
Microsoft Schedule+ 1
SCN
trueSpace2 scene
SCP
Dial-Up Networking Script
SCR
Windows screensaver
SCR
Fax image
SCT
Scitex CT bitmap
SC2
Microsoft Schedule+ 7
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
SQC
Structured Query Language (SQR) common code file
SQR
Structured Query Language (SQR) program file
STM
Scream Tracker music module (MOD) file
STY
Ventura Publisher style sheet
SVX
Amiga 8SVX sound
SYS
System file
S3M
Scream Tracker 3 music module (MOD) file
T
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
Tag Image File Format (TIFF) bitmap
TIFF
Tag Image File Format (TIFF) bitmap
TIG
Tiger file, used by US government to distribute maps
TLB
OLE Type Library
TMP
Windows temporary file
TRM
Terminal file
TRN
MKS Source Integrity project usage log
TTF
TrueType font
TWF
TabWorks file
TWW
Tagwrite Template
TX8
MS-DOS Text
TXT
Text
T2T
Sonata CAD modelling software file
U
UDF
Windows NT Uniqueness Database File
ULT
Ultratracker music module (MOD) file
URL
Internet shortcut
USE
MKS Source Integrity file
V
VBP
Visual Basic Project
VBW
Microsoft Visual Basic workspace
VBX
Visual Basic custom control
VCF
Vevi Configuration File; defines objects for use with Sense8's WorldToolKit
VDA
Targa bitmap
VI
Virtual Instrument file from National Instruments LABView product
VLB
Corel Ventura Library
VOC
Creative Labs Sound Blaster sound
VP
Ventura Publisher publication
VSD
Visio drawing (flow chart or schematic)
VST
Targa bitmap
VSW
Visio Workspace file
VXD
Microsoft Windows virtual device driver
W
WAD
Large file for Doom game containing video, player level, and other information
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
WOW
Grave Composer music module (MOD) file
WP
WordPerfect document
WPW
Novel PerfectWorks 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
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
X
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
XM
FastTracker 2, Digital Tracker music module (MOD) file
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
Y
YAL
Arts & Letters clipart library
YBK
Microsoft Encarta Yearbook
Z
Z
Unix Gzip
ZIP
Zip file
ZOO
An early compressed file format
Numbers and symbols
000-999
Used to number old versions of files and number related data files
12M
Lotus 123 97 Smartmaster file
123
Lotus 123 97 file
2GR and 3GR
VGA Graphics driver/configuration files under Windows
386
A file for use in an 80386 or higher microprocessor
669
Composer 669, Unis Composer music mod file
#01 and higher
A method of numbering picture files for a roll of film that has been scanned
$$$
Used by OS/2 to keep track of archived files
@@@
Screen files used in the installation and instruction on use of applications