FILE EXTENSION MEGA LIST

ABK Auto backup file, used
by Corel Draw and others - LINK
ACL Corel Draw 6 keyboard accelerator
- LINK
ACM Windows in the system directory,
also used as sound file - LINK *
ACP Microsoft Office Assistant Preview
file - LINK *
ACT Microsoft Office Assistant Actor
file - LINK
ACV OS/2 drivers or Photoshop Saved
Curve - LINK*
AD Berkeley Systems After Dark screensaver
- LINK try and find a waybacklink
ADB ACT! Activity Data File or HP Appointment
database - LINK
ADD OS/2 adapter drivers used in the
boot process - *
ADM After Dark MultiModule screensaver
- LINK
ADP Microsoft Access Project - LINK
ADR After Dark Randomizer screensaver
- LINK
AFM Adobe font metrics or DESQview,
Abassis - LINK *
AF2 Micrografx.com ABC Flowchart File
now Corel - LINK
AF3 Micrografx.com ABC Flowchart File
now Corel - LINK
AI Adobe Illustrator Graphic File
- LINK
AIF Audio Interchange File used w/Quicktime
- LINK
ALB JASC Image Commander album now Corel
- LINK
ALL Arts & Letters Library or IBM
Lotus - LINK 2
AMS Adobe setup or Velvert Studio - LINK *
ANC Canon Computer Pattern Maker - LINK
ANI

Infraview Animated Cursor - LINK

ANS ANSI format text - LINK
API Adobe Acrobat plugin file - LINK
APR IBM Lotus Approach 97 file - LINK
APS Microsoft Visual C++ File - LINK
ARC Archive File can be unzipped with
- LINK**
ARJ ARJ Archive File open with - LINK
ART AOL graphic image - LINK
ASA Microsoft Visual InterDev File - LINK
ASC ANSI format text - LINK
ASD WinWord AutoSave**
ASM Assembler language source file - LINK
ASP Microsoft Active Server Page - LINK
AST Claris Works and others - LINK
ATT AT&T Graphic file can be opened
with - LINK
AVI Popular Video format can be opened
with - LINK 2
AWD Microsoft FaxView document - LINK 2


BAK Generic Backup file
- LINK
BAS BASIC code or old Quicken File - LINK *
BAT Batch file scripting file - LINK
BFC Microsoft Briefcase File - LINK
BG Microsoft Backgammon for Windows
game - LINK
BI Binary file - **
BIF Archive file - LINK
BIN Binary file - LINK
BK Backup - **
BK$ Backup - **
BKS IBM BookManager Read bookshelf or
MS Scheduled backup job - LINK 2
BMK Reghance bookmark file - LINK
BMP BMP Image file - LINK 2
BM1 Apogee BioMenace data file - LINK
BRX Multimedia browsing index - **
BSP Steam source map file - LINK
BS1 Apogee Blake Stone data file - LINK
BTM Batch file used by Norton Utilities
- LINK 2
B4 Helix Nuts and Bolts file now Mcafee
- LINK


C C code
CAB Microsoft installation archive cabinet
file - LINK
CAL CALS Compressed Bitmap - LINK **
CAL Calendar schedule data - LINK **
CAS Comma-delimited ASCII file - LINK**
CAT IntelliCharge categorization file
used by Quicken - LINK **
CB Microsoft clean boot file - LINK
CCB Visual Basic Animated Button configuration
-**
CCF Multimedia Viewer configuration
file used in OS/2- LINK**
CCH
Corel Chart - LINK
CCM IBM Lotus Mail - LINK
CDA CD Audio Track can be opened media
player, winamp etc..- LINK
CDF Microsoft Channel Definition Format
- LINK
CDI Compact Disk Interactive format
- LINK
CDR Graphics file or Core Draw drawing
- LINK 2 3
CDT Corel Draw template - LINK 2
CDX Corel Draw compressed drawing - LINK 2
CEL Audio file for optimised for looping
- LINK 2
CFB Comptons Multimedia file - **
CFG Configuration file or a DynSite
script file - LINK
CGI Common Gateway Interface - LINK 2
CGM Computer Graphics Metafile ISO standard
- LINK
CH OS/2 configuration file or Clip
Header - LINK*
CHK CHKDSK/SCANDISK Output - LINK 2
CHP DVD Chapter File or Ventura Publisher
chapter - LINK
CIL Clip Interchange Library - LINK
CIM Sim City 200 file - LINK
CIN OS/2 file or Cinemania Microsoft
- LINK 2
CK1 iD/Apogee Commander Keen 1 data
file - LINK 2
CK2 iD/Apogee Commander Keen 2 data
file - LINK 2
CK3 iD/Apogee Commander Keen 3 data
file - LINK 2
CK4 iD/Apogee Commander Keen 4 data
file - LINK 2
CK5 iD/Apogee Commander Keen 5 data
file - LINK 2
CK6 iD/Apogee Commander Keen 6 data
file - LINK 2
CLASS Java Class file - LINK
CLP Windows Clipboard File open with- LINK
CLS Visual Basic Class Module - LINK**
CMD Windows Command script - LINK
CMF Corel Metafile - LINK
CMP JPEG Bitmap - LINK **
CMV Corel Move animation - LINK
CMX Corel Presentation Exchange image
- LINK
CNF Telnet, Windows, and Apache - LINK **
CNM Windows application menu options
or Pegasus Mail file - LINK *
CNQ Compuworks Design Shop file
CNT HELP File
COB trueSpace2 object - LINK*
COD Microsoft C compiler output as displayable
assembler with original C as comments - LINK
COM Command file (program)
CPD Fax Cover document
CPE Fax Cover document
CPI Microsoft MS-DOS code page information
file - LINK
CPL Control Panel extension - LINK
CPL Corel colour palette - LINK
CPP C++ code - LINK
CPR Corel Presents Presentation - LINK
CPT Corel Photo-Paint image - LINK
CPX Corel Presentation Exchange Compressed
drawing - LINK
CRD Cardfile file - LINK
CRP Corel Presents Run-Time Presentation
- LINK
CRT Certificate file
CSC Corel Script - LINK
CSP PC Emcee On-Screen image - LINK
CSV Comma-separated values file - LINK
CT Scitex CT Bitmap - LINK
CTL Used in general to mean a file containing
control information. 
CUE Microsoft Cue Cards data - LINK
CUR Windows Cursor - LINK
CUT Dr Halo bitmap - LINK
CV Corel Versions archive - LINK
CV Microsoft CodeView information screen
- LINK
CWK Claris Works data file< - LINK/FONT>
CWS Claris Works template - LINK
CXX C++ source code file - LINK




DAT Data file
DAT WordPerfect Merge Data - LINK
DBF Aston-Tate dBASE database - LINK
DBX DataBeam image - LINK
DCR Shockwave file - LINK
DCS Desktop Color Separation file
DCX Fax image (based on PCX) - LINK
DDF BTRIEVE database - LINK
DEF SmartWare II data file - LINK
DEF C++ Definition - LINK
DER Certificate file - LINK
DIB Device-Independent Bitmap - LINK
DIC Dictionary - LINK
DIF Data Interchange Format spreadsheet
- LINK
DIR Macromedia Director file - LINK
DIZ Description file - LINK
DLG C++ Dialogue Script - LINK
DLL Dynamic-Link Library - LINK
DMF X-Trakker music module (MOD) file
- LINK
DOC FrameMaker or FrameBuilder document
- LINK
DOC WordStar document - LINK
DOC WordPerfect document - LINK
DOC Microsoft Word document - LINK
DOT Microsoft Word document Template
- LINK
DPR Borland Delphi project header file
- LINK
DRV Driver - LINK
DRW Micrografx Designer/Draw - LINK
DSG DooM saved game - LINK
DSM Dynamic Studio music module (MOD)
file - LINK
DSP Microsoft Developer Studio project
- LINK
DSQ Corel QUERY file - LINK
DSW Microsoft Developer Studio workspace
- LINK
DWG AutoCAD drawing eXchange format
- LINK
DXF AutoDesk Drawing Interchange format
- LINK




EMF Enhanced Windows Metafile
- LINK
ENC Encore file - LINK
EPS Encapsulated PostScript image - LINK
ER1 ERWin file - LINK
ERX ERWin file - LINK
EVY Envoy document - LINK
EWL Microsoft Encarta document - LINK
EXE Executable file (program) - LINK




F FORTRAN file - LINK
F77 FORTRAN file - LINK
F90 FORTRAN file - LINK
FAR Farandole Composer music module
(MOD) file - LINK
FAV Microsoft Outlook navigation bar
- LINK
FAX FAX Type image - LINK
FH3 Aldus Freehand 3 drawing - LINK
FIF Fractal image file - LINK
FITS CCD camera image - LINK
FLC AutoDesk FLIC animation - LINK
FLI AutoDesk FLIC animation - LINK
FLT Corel filter - LINK
FLT StarTrekker music module (MOD) file
- LINK
FMB Oracle binary source code for form,
version 4.0 and later - LINK
FMT Oracle text format of form, version
4.0 and later - LINK
FMT Microsoft Schedule print file - LINK
FMX Oracle executable form, version
4.0 and later - LINK
FOG Fontographer font - LINK
FON System font - LINK
FOR FORTRAN file - LINK
FOT Font-related file - LINK
FP FileMaker Pro file - LINK
FP1 Flying Pigs for Windows data file
- LINK
FP3 FileMaker Pro file - LINK
FPX FlashPix bitmap - LINK
FRM Form - LINK
FRM FrameMaker or FrameBuilder document
- LINK
FRM Oracle executable form version 3.0
and earlier - LINK
FRM Visual Basic form - LINK
FRM WordPerfect Merge form - LINK
FRX Visual Basic form stash file - LINK




GAL Corel Multimedia Manager
album - LINK
GCP Ground Control Point file used in
image processing of remote sensing data .  - LINK
GED Graphic Environment Document (drawing)
- LINK
GEM GEM metafile - LINK
GEN Ventura-Generated text file - LINK
GFC Patton&Patton Flowcharting 4
flowchart file - LINK
GFI Genigraphics Graphics Link presentation
- LINK
GFX Genigraphics Graphics Link presentation
- LINK
GID Windows 95 global index file (containing
help status) - LINK
GIF CompuServe bitmap - LINK
GIM Genigraphics Graphics Link presentation
- LINK
GIX Genigraphics Graphics Link presentation
- LINK
GNA Genigraphics Graphics Link presentation
- LINK
GNX Genigraphics Graphics Link presentation
- LINK
GRA Microsoft Graph - LINK
GRD Grid file, used in image processing
of remote sensing data often to form map projections.  - LINK
GRP Program Manager Group - LINK
GTK Graoumftracker (old) music module
(MOD) file - LINK
GT2 Graoumftracker (new) music module
(MOD) file - LINK
GWX Genigraphics Graphics Link presentation
- LINK
GWZ Genigraphics Graphics Link presentation
- LINK
GZ Unix Gzip compressed file - LINK




H C program header - LINK
HED HighEdit document - LINK
HEL Microsoft Hellbender saved game
- LINK
HEX Macintosh BinHex 2.0 file - LINK
HGL HP Graphics Language drawing - LINK
HLP Help file - LINK
HOG Lucas Arts Dark Forces WAD file
- LINK
HPJ Visual Basic Help Project - LINK
HPP C++ program header - LINK
HQX Macintosh BinHex 4.0 file - LINK
HST History file - LINK
HT HyperTerminal - LINK
HTM Hypertext document - LINK
HTML Hypertext document - LINK
HTX Extended HTML template - LINK




ICA Citrix file - LINK
ICB Targa bitmap - LINK
ICM Image Color Matching profile file
- LINK
ICO Windows Icon - LINK
IDD MIDI Instrument Definition - LINK
IDQ Internet Data Query file - LINK
IFF Amiga ILBM - LINK
IGF Inset Systems metafile - LINK
IIF QuickBooks for Windows interchange
file - LINK
IMA WinImage file - LINK
IMG GEM image - LINK
INC Assembler language or Active Server
include file - LINK
INF Information file - LINK
INI Initialization file - LINK
INP Oracle source code for form, version
3.0 and earlier - LINK
INS InstallShield install script - LINK
INS X-Internet sign-up file - LINK
ISO Lists the files on a CD-ROM; based
on the ISO 9660 CD-ROM file system standard - LINK
ISP X-Internet sign-up file - LINK
ISU InstallShield uninstall script - LINK
IT Impulse Tracker music module (MOD)
file - LINK
IW Idlewild screensaver - LINK




JAR Java ARchive file (a
compressed file for applets and related files) - LINK
JAVA Java source code - LINK
JBF Paint Shop Pro image browser file
- LINK
JFF JPEG bitmap - LINK
JIF JPEG bitmap - LINK
JMP SAS JMPDiscovery chart-to-statistics
file - LINK
JN1 Epic MegaGames Jill of the Jungle
data file - LINK
JPEG JPEG bitmap - LINK
JPG JPEG bitmap - LINK
JS JavaScript source code - LINK
JTF JPEG bitmap - LINK




KDC Kodak Photo-Enhancer
- LINK
KFX KoFax Group 4 image - LINK
KYE Kye game data - LINK




LBM Deluxe Paint bitmap
- LINK
LDB Microsoft Access lock file - LINK
LEG Legacy document - LINK
LHA Alternate file suffix for LZH - LINK
LIB Library - LINK
LIS Output file produced by a Structured
Query Reporting (SQR) program - LINK
LOG Log file - LINK
LPD Helix Nuts and Bolts file - LINK
LRC Intel Video Phone file - LINK
LST List file - LINK
LWO Lightwave Object file - LINK
LWP Lotus Wordpro 96/97 file - LINK
LZH LH ARC compressed archive - LINK
LZS Skyroads data file - LINK




M3D Corel Motion 3D animation
- LINK
MAC MacPaint image - LINK
MAD Microsoft Access module - LINK
MAF Microsoft Access Form - LINK
MAK Visual Basic or MS Visual C++ Project
- LINK
MAM Microsoft Access Macro - LINK
MAP Map file - LINK
MAP Duke Nukem 3D WAD game file - LINK
MAQ Microsoft Access Query - LINK
MAR Microsoft Access Report - LINK
MAS Lotus Freelance Graphics Smartmaster
file - LINK
MAT Microsoft Access Table - LINK
MAX Paperport file - LINK
MAZ Hover maze data - LINK
MB1 Apogee Monster Bash data file - LINK
MCC Dialer10 calling card - LINK
MCS MathCAD image - LINK
MCW Microsoft Word for Macintosh document
- LINK
MDA Microsoft Access add-in - LINK
MDB Microsoft Access database - LINK
MDE Microsoft Access MDE file - LINK
MDL Digital Tracker music module (MOD)
file - LINK
MDL Quake model file - LINK
MDN Microsoft Access blank database
template - LINK
MDW Microsoft Access Workgroup - LINK
MDZ Microsoft Access wizard template
- LINK
MED Music Editor, OctaMED music module
(MOD) file - LINK
MER Format for interchanging spreadsheet/database
data; recognized by Filemaker, Excel, and others - LINK
MET Presentation Manager metafile - LINK
MI Miscellaneous - LINK
MIC Microsoft Image Composer file - LINK
MID MIDI music - LINK
MMF Microsoft Mail File - LINK
MMM Microsoft Multimedia Movie - LINK
MOD FastTracker, StarTrekker, Noise
Tracker (etc.) music module file - LINK
MOD Microsoft Multiplan spreadsheet
- LINK
MOV QuickTime for Windows movie - LINK
MPE MPEG animation - LINK
MPEG MPEG animation - LINK
MPG MPEG animation - LINK
MPP Microsoft Project file - LINK
MPP CAD drawing file format - LINK
MP3 MPEG Audio Layer 3 (AC3) file - LINK
MSG Microsoft Mail message - LINK
MSN Microsoft Network document - LINK
MSP Microsoft Paint bitmap - LINK
MTM MultiTracker music module (MOD)
file - LINK
MUS Music - LINK
MVB Microsoft Multimedia Viewer file
- LINK
MWP Lotus Wordpro 97 Smartmaster file
- LINK




NAP NAP Metafile - LINK
NCB Microsoft Developer Studio file
- LINK
NSF Lotus Notes database - LINK
NST Noise Tracker music module (MOD)
file - LINK
NTF Lotus Notes database template - LINK




OBD Microsoft Office binder
template - LINK
OBD Microsoft Office Binder - LINK
OBJ Object file - LINK
OBZ Microsoft Office Binder Wizard - LINK
OCX Microsoft Object Linking and Embedding
custom control - LINK
OFN Microsoft Office FileNew file - LINK
OFT Microsoft Outlook template - LINK
OKT Oktalyzer music module (MOD) file
- LINK
OLB OLE Object Library - LINK
OLE OLE object - LINK
OPT Microsoft Developer Studio file
- LINK
ORG Lotus Organiser file - LINK
OR2 Lotus Organiser 2 file - LINK
OR3 Lotus Organiser 97 file - LINK




P10 Tektronix Plot 10 drawing
- LINK
PAB Microsoft Personal Address Book
- LINK
PAK Quake WAD file - LINK
PAL Windows colour palette - LINK
PAT Corel Draw pattern - LINK
PBK Microsoft Phonebook - LINK
PBM Portable Bitmap - LINK
PCD Kodak Photo-CD image - LINK
PCL HP Laserjet bitmap - LINK
PCS PICS animation - LINK
PCT Macintosh PICT drawing - LINK
PCX ZSoft PC Paintbrush bitmap - LINK
PDF Adobe Acrobat Portable Document
Format or Netware Printer Definition File - LINK
PDF Package Definition File from Microsoft
Systems Management Server - LINK
PDQ Patton&Patton Flowcharting PDQ
Lite file - LINK
PFA Type 1 font (ASCII) - LINK
PFB Type 1 font (binary) - LINK
PFC PF Component - LINK
PFM Printer Font Metrics - LINK
PGL HP Plotter drawing - LINK
PGM Portable Graymap (bitmap) - LINK
PIC PC Paint bitmap - LINK
PIC Lotus picture - LINK
PIC Macintosh PICT drawing - LINK
PIF Program Information File - LINK
PIF IBM PIF drawing - LINK
PIG Lucas Arts Dark Forces WAD file
- LINK
PIN Epic Pinball data file - LINK
PIN Epic Pinball data file - LINK
PIX Inset Systems bitmap - LINK
PJ MKS Source Integrity file - LINK
PKG Microsoft Developer Studio application
extension (similar to a DLL file) - LINK
PL Perl program - LINK
PLT HPGL Plotter drawing - LINK
PLT AutoCAD Plot drawing - LINK
PM5 Pagemaker 5.0 file - LINK
PM6 Pagemaker 6.0 file - LINK
P65 Pagemaker 6.5 file - LINK
PNG Portable Network Graphics bitmap
- LINK
PNG Paint Shop Pro Browser catalogue
- LINK
PNT MacPaint graphic file - LINK
POT Microsoft PowerPoint Template - LINK
PP4 Picture Publisher 4 bitmap - LINK
PPA Microsoft PowerPoint Add-in - LINK
PPM Portable Pixelmap bitmap - LINK
PPS Microsoft PowerPoint slide show
- LINK
PPT Microsoft PowerPoint presentation
- LINK
PRE Lotus Freelance presentation - LINK
PRF Windows system file - LINK
PRN Print Table (space delimited text)
- LINK
PRS Harvard Graphics for Windows presentation
- LINK
PRZ Lotus Freelance Graphics 97 file
- LINK
PS Postscript Interpreted drawing - LINK
PSD Adobe Photoshop bitmap - LINK
PST Microsoft Outlook Personal Folder
File - LINK
PTM Polytracker music module (MOD) file
- LINK
PUB Ventura Publisher publication - LINK
PUB Microsoft Publisher document - LINK
PWD Microsoft Pocket Word document - LINK
PWZ Microsoft PowerPoint Wizard - LINK
PXL Microsoft Pocket Excel spreadsheet
- LINK




QAD PF QuickArt Document
- LINK
QBW QuickBooks for Windows file - LINK
QDT Quick Books data file from the Quicken
UK Accountancy/Tax/Invoice program - LINK
QLB Quick Library - LINK
QRY Microsoft Query - LINK
QT QuickTime Movie - LINK
QTM QuickTime Movie - LINK
QXD Quark XPress file - LINK




R Pegasus Mail resource
file - LINK
RA Real Audio sound - LINK
RAM Real Audio sound - LINK
RAS Sun Raster Images bitmap - LINK
RAW Raw File Format (bitmap) - LINK
RC Microsoft Visual C++ Resource Script
- LINK
REC Recorder macro - LINK
REG Registration file - LINK
RES Microsoft Visual C++ Resource - LINK
RFT RFT-DCA - LINK
RLE Run-Length Encoded bitmap - LINK
RM Real Audio video file - LINK
RMI MIDI music - LINK
ROV Rescue Rover data file - LINK
RPT Microsoft Visual Basic Crystal Reports
file - LINK
RTF Rich Text Format document - LINK
RTM Real Tracker music module (MOD)
file - LINK


SAM Ami Professional document
- LINK
SAV Saved game file - LINK
SCC Microsoft Source Safe file - LINK
SCD Matrix/Imapro SCODL slide image
- LINK
SCD Microsoft Schedule+ 7 - LINK
SCH Microsoft Schedule+ 1 - LINK
SCN trueSpace2 scene - LINK
SCP Dial-Up Networking Script - LINK
SCR Windows screensaver - LINK
SCR Fax image - LINK
SCT Scitex CT bitmap - LINK
SC2 Microsoft Schedule+ 7 - LINK
SDL SmartDraw library - LINK
SDR SmartDraw drawing - LINK
SDT SmartDraw template - LINK
SEA Self-expanding archive (used by
Stuffit for Mac files and possibly by others) - LINK
SEP Tagged Image File Format (TIFF)
bitmap - LINK
SHB Corel Show presentation - LINK
SHB Document shortcut file - LINK
SHG Hotspot bitmap - LINK
SHS Shell scrap file - LINK
SHW Corel Show presentation - LINK
SIT Stuffit archive of Mac files - LINK
SLK Symbolic Link (SYLK) spreadsheet
- LINK
SND NeXT sound - LINK
SND Mac Sound Resource - LINK
SQC Structured Query Language (SQR)
common code file - LINK
SQR Structured Query Language (SQR)
program file - LINK
STM Scream Tracker music module (MOD)
file - LINK
STY Ventura Publisher style sheet - LINK
SVX Amiga 8SVX sound - LINK
SYS System file - LINK
S3M Scream Tracker 3 music module (MOD)
file - LINK




TAR Tape Archive - LINK
TAZ Unix Gzip/Tape Archive - LINK
TEX Texture file - LINK
TGA Targa bitmap - LINK
TGZ Unix Gzip/Tape Archive - LINK
THEME Windows 95 Desktop Theme - LINK
THN Graphics Workshop for Windows thumbnail
- LINK
TIF Tag Image File Format (TIFF) bitmap
- LINK
TIFF Tag Image File Format (TIFF) bitmap
- LINK
TIG Tiger file, used by US government
to distribute maps - LINK
TLB OLE Type Library - LINK
TMP Windows temporary file - LINK
TRM Terminal file - LINK
TRN MKS Source Integrity project usage
log - LINK
TTF TrueType font - LINK
TWF TabWorks file - LINK
TWW Tagwrite Template - LINK
TX8 MS-DOS Text - LINK
TXT Text - LINK
T2T Sonata CAD modelling software file
- LINK




UDF Windows NT Uniqueness
Database File - LINK
ULT Ultratracker music module (MOD)
file - LINK
URL Internet shortcut - LINK
USE MKS Source Integrity file - LINK




<
VBP Visual Basic Project
- LINK
VBW Microsoft Visual Basic workspace
- LINK
VBX Visual Basic custom control - LINK
VCF Vevi Configuration File; defines
objects for use with Sense8's WorldToolKit - LINK
VDA Targa bitmap - LINK
VI Virtual Instrument file from National
Instruments LABView product - LINK
VLB Corel Ventura Library - LINK