| .$$$ |
Temporary
file |
| .2GR |
A
file that allows Windows to display text and graphics in standard
mode on a 286 or 386 computer (filename extension). |
| .386 |
Swap
file; enables computer running in enhanced mode to use Windows
with virtual memory (filename extension). |
| .3GR |
A
file that allows Windows to display text and graphics in enhanced
mode on a 386, 486, or Pentium computer (filename extension). |
| .906 |
Calcomp
plotter |
| .A3W |
MacroMedia
Authorware Windows 3.5 (filename extension). |
| .ABK |
AutoBackup,
Corel Draw (filename extension). |
| .ABR |
Brush
- Adobe Photoshop (filename extension). |
| .ACL |
Keyboard
accelerator, Corel Draw 6 (filename extension). |
| .ACM |
Windows
system directory file (filename extension). |
| .ACV |
Drivers
for compressing or decompressing audio files, OS/2 (filename extension). |
| .AD |
After
Dark |
| .ADB |
1.
Appointment DataBase, HP 100LX (filename extension). 2. Body file
type, Ada language (filename extension). |
| .ADD |
Adapter
Driver - OS/2 (filename extension). |
| .ADM |
AfterDark
MultiModule (filename extension). |
| .ADR |
AfterDark
Randomizer (filename extension). AfterDark is a screensaver program
that can be set to randomly display a variety of screensaver patterns
one after another. |
| .ADS |
Specification
file type, Ada language (filename extension). |
| .AFM |
Adobe
Font Metrics - Type 1 font metrics (filename extension). |
| .AG4 |
Access
G4 |
| .AI |
Adobe
Illustrator |
| .AIF |
Audio
Interchange File Format or AIFF (filename extension). A format
developed by Apple Computer for storing high-quality sampled audio
and musical instrument information. It can be played on PC and
Mac. |
| .aiff |
Audio
Interchange File Format. An uncompressed sound format developed
by Apple Computer for storing high-quality sampled audio and musical
instrument information. It can be played on PC and Mac, using
QuickTime or Sound Player. |
| .ALL |
Arts
and Letters Library (filename extension). |
| .ANI |
Animated
cursor (filename extension). |
| .ANS |
ANSI
text (filename extension). |
| .API |
Application
Program Interface (filename extension). An interface between the
operating system and application programs. |
| .APP |
MacroMedia
Authorware package (filename extension). |
| .ARC |
ARC
or ARC+ compressed |
| .arj |
A
PC compressed format found on European sites (filename extension),
which can be decoded with unArjMac, DeArj, and SITEX10.EXE (win). |
| .ART |
An
art file, in some draw or paint applications (filename extension). |
| .ASC |
ASCII
text file |
| .ASF |
Active
Streaming File - HoTMetaL Pro (filename extension). |
| .ASM |
Assembly
Source Code |
| .ASP |
Active
Server Page - Microsoft (filename extension). |
| .AST |
Assistant
file - Claris Works (filename extension). Assistants guide the
user through a task by asking a series of questions and then use
the answers to perform a task. Assistants in Claris Works can
be used to create such useful items as calendars, newsletters,
stationery, labels, and address lists, to make footnotes within
a file, to find documents, etc. |
| .ATT |
AT&T |
| .AU |
A
sound file format used on Sun Microsystems or other UNIX computers |
| .AVI |
AVI
movie format |
| .AVS |
Intel
video capture format (filename extension). |
| .b64 |
Base
64 (filename extension), the encoding format used by the Multipurpose
Internet Mail Extension. |
| .BAK |
Backup
copy in DOS or OS/2 |
| .BAS |
BASIC
program file |
| .BAT |
Batch |
| .BFC |
Briefcase
document - Windows 95 (filename extension). |
| .BG |
Backgammon
game (filename extension). |
| .BI |
Binary
file (filename extension). |
| .BIN |
Driver |
| .bin |
A
MacBinary II encoded file (filename extension). This file type,
downloaded as MacBinary or Binary, can be decompressed with Stuffit
Expander. |
| .BK |
Backup
copy |
| .BK$ |
Backup
file (filename extension). |
| .BLT |
Wordperfect
for DOS (filename extension). |
| .BMP |
Bitmap |
| .BNK |
Sim
City game file (filename extension). |
| .BRX |
Browse
Index (filename extension). Found on multimedia CD-ROMs. |
| .BTM |
Batch
file - Norton Utilities (filename extension). |
| .C |
C
program file |
| .CAB |
Microsoft
compressed format |
| .CAL |
Calendar
or CALS |
| .CAP |
Caption |
| .CBT |
Computer-Based
Training; a tutorial file (filename extension). |
| .CCH |
Corel
chart (filename extension). |
| .CCM |
Lotus
cc:Mail (filename extension). |
| .CDA |
CD
Audio track (filename extension). |
| .CDR |
CorelDraw |
| .CDT |
Corel
Draw template (filename extension). |
| .CDX |
Corel
Draw compressed file (file extension). |
| .CDX |
Visual
FoxPro database index (filename extension). |
| .CFB |
Compton’s
multimedia encyclopedia (filename extension). |
| .CFG |
Configuration |
| .CFL |
Corel
Flow (filename extension). |
| .CGI |
Common
Gateway Interface (filename extension). A file that makes it possible
for HTTP servers to interface with computer programs to provide
interactive functions like fill-out forms. |
| .CGM |
CGM
graphics |
| .CHK |
Checkdisk
- DOS |
| .CHP |
Chapter
- Ventura |
| .CIF |
Chapter
Information - Venture |
| .CIM |
Sim
City file (filename extension). |
| .CIT |
Intergraph
scanned image |
| .CLP |
Clipboard |
| .CMD |
Command
file -- OS/2 |
| .CMF |
Corel
MetaFile (filename extension). |
| .CMF |
SoundBlaster
file (filename extension). |
| .CMP |
LEAD
Technologies graphics |
| .CMV |
Corel
Move animation (filename extension). |
| .CNF |
Configuration
file (filename extension). |
| .CNQ |
Compuworks
Design Shop (filename extension). |
| .COB |
COBOL
source code |
| .COM |
Command
file - small version of .EXE |
| .CPE |
Fax
Cover document (filename extension). |
| .CPI |
Code
Page - DOS |
| .CPL |
Control
Panel - Windows |
| .CPP |
C++
program file |
| .CPR |
Knowledge
Access graphics |
| .CPT |
Compact
Pro |
| .CPX |
Corel
Presentation Exchange compressed file (filename extension). |
| .CRD |
Windows
Cardfile (filename extension). |
| .CSC |
Corel
Script (filename extension). |
| .CSS |
Cascading
Style Sheet (filename extension). |
| .CSV |
Comma
delimited |
| .CTL |
Control
file (filename extension). |
| .CTY |
City
file - SimCity (filename extension). |
| .CUR |
Windows
cursor image |
| .CUT |
Dr.
Halo graphics |
| .CV |
Microsoft
CodeView (filename extension). |
| .CWK |
Claris
Works (filename extension). |
| .CWS |
Claris
Works template (filename extension). |
| .DAT |
Data |
| .DB |
Table
- Paradox |
| .DBC |
Visual
FoxPro database (filename extension). |
| .DBF |
Database
File - dBASE |
| .DBT |
Database
text - dBASE |
| .DBX |
DATABEAM
graphics |
| .DCA |
IBM
text |
| .DCS |
Color
Separation - EPS |
| .DCT |
Dictionary |
| .DD |
Disk
Doubler |
| .DDI |
Disk
Doubler Image (filename extension). |
| .DEF |
Definition
- C++ (filename extension). |
| .DER |
Certificate
(filename extension). |
| .DEV |
Device
driver file (filename extension). |
| .DG |
Autotrol
graphics |
| .DGN |
Intergraph
graphics |
| .DIB |
DIB
graphics - Windows |
| .DIC |
Dictionary |
| .DIF |
Data
Interchange Format spreadsheet |
| .DLL |
Dynamic
link library |
| .DOC |
Document
file |
| .DOT |
Document
Template - Microsoft Word (filename extension). |
| .DOX |
MultiMate
document |
| .DPI |
Dots
Per Inch - graphics |
| .DPR |
Delphi
project file (filename extension). |
| .DRV |
Driver |
| .DRW |
Designer
graphics |
| .DS4 |
Designer
graphics, version 4 |
| .DSF |
Designer
graphics, version 6 |
| .DWG |
AutoCAD
vector format |
| .DWG |
Drawing
- AutoCAD (filename extension). |
| .DX |
Document
Imaging |
| .DXF |
AutoCAD
vector format |
| .ED5 |
EDMICS
graphics |
| .EMF |
Enhanced
Windows Metafile (filename extension). |
| .eml |
electronic
mail |
| .enc |
encoded |
| .EPS |
Encapsulated
PostScript format |
| .ESI |
Esri
plot file |
| .EXE |
Executable
file -- machine code |
| .FAX |
Fax |
| .FDX |
Force
Index |
| .FH3 |
Aldus
Freehand 3 (filename extension). |
| .FLC |
AutoDesk
animation |
| .FLD |
Thumbnail
folder - Hijaak |
| .FLI |
AutoDesk
animation |
| .FLR |
Live3D
(filename extension). |
| .FLT |
Filter
- graphics conversion |
| .FM |
Framemaker
(filename extension). |
| .FM3 |
Format
for 1-2-3 Version 3 |
| .FMT |
Format
- dBASE |
| .FNT |
Font |
| .FOG |
Fontographer
font (filename extension). |
| .FON |
1.
Bitmapped Font - Windows 2. Phone |
| .FOR |
FORTRAN |
| .FOT |
Windows
TrueType font |
| .FOX |
FoxBase |
| .FP |
Claris
FileMaker Pro (filename extension). |
| .FP1 |
Flying
Pigs (filename extension). |
| .FP3 |
Filemaker
Pro 3 |
| .FPX |
FlashPix
bitmap (filename extension). |
| .FRM |
Form
design -- Visual Basic |
| .FRS |
WordPerfect
Graphics Driver |
| .G4 |
GTX
RasterCAD |
| .GCA |
GOCA
graphics |
| .GED |
Arts
& Letters graphics |
| .GEM |
GEM
graphics |
| .GEO |
VideoScope
(filename extension). |
| .GIF |
Graphics
Interchange Format |
| .GLY |
Glossary |
| .GP3 |
CCITT
compressed Group 3 TIFF file (filename extension). |
| .GP4 |
Group
4 - CALS, ITU (filename extension). CCITT compressed Group 4 TIFF
file. |
| .GRA |
Microsoft
Graph (filename extension). |
| .GRF |
Graph |
| .GRP |
Group |
| .GX1 |
Show
Partner graphics |
| .GX2 |
Show
Partner graphics |
| .GZ |
GNU
gzip compressed file - Unix |
| .H |
Header
(filename extension -- C). |
| .HDF |
Hierarchical
Data File |
| .HED |
HighEdit
document (filename extension). |
| .HEL |
Microsoft
Hellbender game file (filename extension). |
| .HGL |
HP
Graphics Language (filename extension). |
| .HLP |
Help |
| .HPJ |
Help
Project - Visual Basic (filename extension). |
| .HPL |
HP
Graphics |
| .HQX |
BinHex
(filename extension -- Macintosh). |
| .HST |
Host |
| .HT |
HyperTerminal
(filename extension). |
| .htm |
DOS
filename extension for a document with HTML coding, which can
be read by WWW browsers. |
| .html |
Filename
extension for a document with HTML coding, which can be read by
WWW browsers. |
| .HWP |
Hangul
Word Processor (filename extension). |
| .HYC |
Hyphenation
- WordPerfect |
| .HYP |
Hyphenation |
| .ICA |
IOCA
graphics |
| .ICB |
Targa
bitmap (filename extension). |
| .ICM |
Image
Colour Matching (filename extension). |
| .ICO |
Icon
- Windows or OS/2 |
| .ICON |
Sun
icon and cursor |
| .IDD |
Instrument
Definition - MIDI (filename extension). |
| .IDE |
Integrated
Development Environment configuration (filename extension) |
| .IDX |
Index |
| .IFF |
Amiga |
| .IGF |
Inset
Systems graphics - Hijaak |
| .IIF |
Interchange
File - QuickBooks for Windows (filename extension). |
| .IL |
Icon
Library |
| .ima |
Winimage
compressed format These files can be decoded or mounted by ShrinkWrap. |
| .image |
Mac
disk image (filename extension); a compressed format which can
be decoded or mounted by DiskCopy, Disk Image Mounter, Disk Charmer,
and ShrinkWrap (ImageMaster). |
| .IMG |
Image.
This file is a Macintosh Disk Image. Disk Copy can be used to
mount the disk image on the Macintosh desktop. The mounted disk
image will behave like a read-only disk. |
| .IND |
Index |
| .INF |
Information |
| .INI |
Initialization
- configuration settings |
| .IOB |
Imagine
file (filename extension). |
| .ISU |
Netscape
file (filename extension). |
| .IT |
MOD
music file format (filename extension). |
| .IW |
Idlewild
screensaver (filename extension). |
| .IX |
Index
File - Framemaker (filename extension). |
| .JFF
or .JFIF |
JPEG
File Interchange Format; a 24-bit graphic format. It can be opened
with QuickTime, a WWW browser, or a graphics viewer such as JPEGView. |
| .JIF |
JPEG
Image Format (filename extension). |
| .JPEG |
JPEG
bitmap (filename extension). |
| .JPG |
file
extension for JPEG (Joint Photographic Experts Group). A file
stored in JPEG format. JPEG,an ISO/ITU standard for storing images
with high compression capability, uses a discreet cosine transform
that can achieve compression rates of 100:1 (significant loss
of data from original) and 20:1 (minimal loss). C-Cube Microsystems
introduced the first JPEG chip. |
| .JT |
JT
Fax |
| .JTF |
JPEG
bitmap (filename extension). |
| .KDC |
Kodak
Photo-Enhancer (filename extension). |
| .KFX |
Kofax |
| .LBL |
Label
- dBASE |
| .LBM |
Deluxe
Paint graphics file |
| .LDB |
Lock
file - Microsoft Access (filename extension). |
| .LEG |
Legacy
document (filename extension). |
| .lha |
Filename
extension for a PC/Amiga compression format decodable by LHA Expander
or MacLHA. |
| .lhs |
Literate
Haskell source file |
| .lhz |
LHA
compression file |
| .LIB |
Library |
| .LIC |
License
file - shareware (filename extension). |
| .LOG |
Log |
| .LST |
List
(filename extension). |
| .LWP |
Lotus
Word Pro document (filename extension). |
| .LZH |
LHARC
compression |
| .lzs |
PC/Amiga
compression format |
| .M3D |
Motion
3D - Corel (filename extension). |
| .MAC |
MacPaint |
| .MAF |
Microsoft
Access Form (filename extension). |
| .MAK |
Makefile |
| .MAM |
Microsoft
Access Macro (filename extension). |
| .MAP |
Map
- linkage editor |
| .MAQ |
Microsoft
Access Query (filename extension). |
| .MAR |
Microsoft
Access Report (filename extension). |
| .MAT |
Microsoft
Access Table (filename extension). |
| .MCS |
MathCAD
format |
| .MCW |
Microsoft
Word for Macintosh (filename extension). |
| .MDB |
Access
database |
| .MDX |
Multi-index |
| .MET |
Metafile
- OS/2 |
| .MEU |
Menu |
| .MFF |
MIDI
File Format (filename extension). |
| .MGF |
Micrografx
Draw Font (filename extension). |
| .MI |
Miscellaneous
(filename extension). |
| .MIC |
Microsoft
Image Composer (filename extension). |
| .MID |
MIDI |