C

C code

C

Site configuration for Secure Remote (CheckPoint VPN)

CA

Telnet Server Initial cache data file

CAB

Microsoft cabinet file (program files compressed for software distribution)

CAC

dBase IV Executable file

CAD

Softdesk Drafix Cad file

CAG

Catalog file (Microsoft Clip Gallery v. 2.x,3.x,4.x)

CAL

CALS Compressed Bitmap

CAL

SuperCalc 4/5 Spreadsheet

CAL

Calendar schedule data file

CAM

Casio camera file

CAN

Navigator Fax

CAP

Ventura Publisher Caption

CAP

Compressed music file

CAP

Telix Session Capture file

CAR

AtHome assistant file

CAS

Comma-delimited ASCII file

CAT

Quicken IntelliCharge categorization file

CAT

dBase Catalogue file

CB

Microsoft clean boot file

CBC

CubiCalc Fuzzy Logic System file

CBI

Column binary file (used in IBM mainframe systems)

CBL

Cobol Source code

CBM

XLib Compiled Bitmap

CBT

Generic Computer based training file

CC

Visual dBASE custom class file

CC

C++ Source code

CCA

cc:mail archive file

CCB

Visual Basic Animated Button configuration file

CCC

Curtain Call Native bitmap graphic

CCE

Data file (Calendar Creator Plus)

CCF

Multimedia Viewer configuration file used in OS/2

CCF

Symphony Communications Configuration file

CCH

Corel Chart

CCL

Intalk Communication Command Language

CCM

Lotus CC:Mail "box" file (for example, INBOX.CCM)

CCO

CyberChat data file

CCO

XBTX Graphics

CCT

Macromedia Director Shockwave cast file

CDA

CD Audio Track

CDB

Clipboard file

CDB

CardScan Database (CardScan)

CDB

TCU Turbo C Utilities Main database

CDB

Conceptual model backup file (PowerDesigner)

CDF

Netcdf Graphic file

CDF

Microsoft Channel Definition Format

CDFS

Compact Disk filing system (WindRiver)

CDI

Phillips Compact Disk Interactive file

CDK

Atari Calamus Document

CDM

Conceptual model file (PowerDesigner)

CDM

Visual dBASE custom data module

CDM

Conceptual data model file (PowerDesigner Data Architect) (Sybase)

CDR

Corel Draw Vector drawing file

CDR

Raw Audio-CD data file

CDT

Corel Draw template

CDT

CorelDraw Data file

CDX

Corel Draw compressed drawing

CDX

Microsoft's Visual Foxpro index

CE

The FarSide Computer Calendar Main CE file

CEG

Tempra Show Bitmap graphic

CEL

CIMFast Event Language file

CEL

AutoDesk Animator Cel Image

CER

Certificate file (MIME x-x509-ca-cert)

CF

Imake Configurtion file

CFB

Comptons Multimedia file

CFG

Configuration file

CFL

CorelFLOW Chart

CFM

ColdFusion template

CFM

Visual dBASE Windows customer form

CFM

Corel FontMaster file

CFN

Atari Calamus Font data file

CFO

TCU Turbo C Utilities C form object

CFP

The Complete Fax Portable fax file

CGA

Ventura Publisher Display font file

CGI

Common gateway interface script

CGM

Computer Graphic Metafile

CH

OS/2 configuration file

CH

Clipper 5 Header

CH3

Harvard Graphics 3.0 Chart

CH4

Charisma 4.0 Presentation

CHD

FontChameleon Font descriptor

CHF

pcAnywhere remote control file

CHI

ChiWriter Document

CHK

File fragments saved by Windows Disk Defragmenter or ScanDisk

CHK

WordPerfect for Windows Temporary file

CHL

Configuration History Log

CHM

Compiled HTML file

CHN

Ethnograph Data file

CHP

Ventura Publisher Chapter file

CHR

Character Sets (Font file)

CHT

ChartViewer file

CHT

Harvard Graphics Vector file

CHT

ChartMaster dBase Interface file

CIF

CalTech Intermediate Graphic

CIF

Easy CD Creator image

CIF

pcAnywhere caller file

CIL

Clip Gallery download package file

CIM

Sim City 2000 file

CIN

OS/2 change control file that tracks changes to an INI file

CIX

TCU Turbo C Utilities Database Index

CKB

Borland C++ Keyboard mapping file

CK1

iD/Apogee Commander Keen 1 data

CK2

iD/Apogee Commander Keen 2 data

CK3

iD/Apogee Commander Keen 3 data

CK4

iD/Apogee Commander Keen 4 data

CK5

iD/Apogee Commander Keen 5 data

CK6

iD/Apogee Commander Keen 6 data

CL

Generic LISP Source code

CL3

Layout file (Adaptec Easy CD Creator)

CLASS

Java class

CLG

Disk Catalog database

CLL

Cricket Software Clicker File

CLO

Cloe Image

CLP

Windows Clipboard

CLP

Quattro Pro Clip art

CLP

Clipper 5 Compiler Script

CLR

1st Reader Binary color screen image

CLR

PhotStyler Color defintion

CLS

Visual Basic Class Module

CLS

C++ Class Definition

CM

Craftman Data

CMA

Database file in plain text format (APPLIX TM1)

CMD

Command file for Windows NT (similar to a DOS .BAT file), OS/2

CMD

DOS CP/M command file

CMD

dBase-II program file

CMD

1st Reader External Command Menu

CMF

Corel Metafile

CFM

Creative FM-Music

CMG

Chessmaster saved game

CMK

Card Shop Plus file

CMM

CEnvi Batch file

CMP

JPEG Bitmap

CMP

Address document

CMP

CorelDRAW 4.0 Postscript Printer Header

CMP

Route 66 Address Document

CMP

Microsoft Word for DOS User dictionary

CMR

MediaPlayer Movie

CMV

Corel Move animation

CMX

Corel Presentation Exchange image

CMYK

Raw cyan, magenta, yellow, and black bytes file

CNC

CNC General Program data

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

CNV

Word for Windows Data conversion support file

CNV

WordPerfect for Windows Temporary file

CNV

Conversion files (WS_FTP Pro) files that will be converted from (Example) "HTML-"HTM" for upload

COB

trueSpace 2 object

COB

COBOL Source code

COD

Microsoft C compiler output as displayable machine language/assembler with original C as comments

COD

FORTRAN Compiled code

COD

dBase Application Generator Template source file

COD

Video Text file

COL

AutoDesk Animator Color Palette

COL

Microsoft Multiplan Spreadsheet

COM

Command file (program)

CON

Simdir Configuration file

CP8

CP8 256 Gray Scale image

CPD

Corel PrintOffice file (drawing)

CPD

Fax Cover document

CPD

Complaints Desk Script

CPE

Fax Cover document

CPF

The Complete Fax (Fax file)

CPH

Image file (Corel Print House) see CPO

CPI

Microsoft MS-DOS code page information

CPI

ColorLab Processed Image bitmap

CPJ

CeQuadrant CD Project

CPL

Control Panel Module

CPL

Compel Presentation

CPL

Corel color palette

CPO

Image file (Corel Print Office)

CPP

C++ Source code

CPP

CA-Cricket Presents presentation

CPR

Corel Presents presentation

CPS

Central Point PC Tools Backup

CPS

Coloured postscript

CPT

Corel Photo-Paint image

CPT

Macintosh Compressed Archive

CPT

dBase Encrypted Memo

CPT

CA-Cricket Presents Template

CPX

Corel Presentation Exchange compressed drawing

CPY

Data file (Copy Books)

CPZ

COMPOZ Music Text

CRC

Circular reference file (Pro/Engineer)

CRC

Check file (Win-SFV32) (Fantasia Software)

CRD

Microsoft Windows 3.x Cardfile

CRF

Zortech C++ cross-reference

CRH

Image file (Microsoft Golf)

CRP

Corel Presents run-time presentation

CRP

Visual dBASE custom report

CRP

dBase IV Encrypted database

CRS

WordPerfect 5.1 for Windows File Conversion resource

CRT

Certificate file

CRT

Oracle Terminal settings information

CRT

Crontab file)

CRU

CRUSH Compressed archive

CSA

Comma deliminated text

CSC

Corel script

CSG

Statistica/w Graph file

CSH

C shell script files (Hamilton Labs)

CSM

Borland C++ 4.5 Precompiled header

CSM

Script file (Kodak Dc265 Camera)

CSO

Customer service data and outcome file

CSP

PC Emcee On-Screen image

CSS

Stats+ Datafile

CSS

Statistica/w Datasheet

CSS

vCascading Style Sheet (MIME)

CST

Macromedia Director "Cast" (resource) file

CSV

Comma-separated values file

CSV

CompuShow Adjusted EGA/VGA Palette

CT

Scitex CT bitmap

CT

A graphic file associated with the Paint Shop Pro Graphic Editor

CTC

PC Installer Control

CTF

Symphony Character code translation

CTL

Used in general for files containing control information. FAXWorks uses it to keep information about each fax sent and received.

CTL

dBase IV Control

CTX

Visual Basic User control binary file

CTX

Pretty Good Privacy (PGP) Ciphertext file

CTX

Microsoft Online Course Text

CUE

Microsoft Cue Cards data

CUL

Cursor library file (IconForge)

CUR

Windows Cursor

CURSOR

Sun Microsystems Cursor

CUT

Dr Halo Bitmap

CV

Corel Versions archive

CV

Microsoft CodeView information screen

CVG

Image

CVS

Canvas drawing file

CWK

Claris Works data

CWS

Claris Works template

CXT

Macromedia Director protected (not editable) "Cast" (resource) file

CXX

C++ source code

C--

Sphinx C-- Source code

C00

Ventura Publisher Print file

C01

Typhoon wave

C86

Computer Innovation (C86) Source code


DAO

Windows Registry Backup

DAP

Data access page (Microsoft Access 2000)

DAT

Data file

DAT

A data file extension used to designate an error message in a inbound internet email message (Microsoft Exchange Server v 5.0)

DAT

WordPerfect Merge Data

DAT

Extension used for some MPEG files

DB

Borderland's Paradox 7 table database

DBC

Microsoft's Visual FoxPro database container file

DBF

A dBASE file, a format originated by Ashton-Tate, but understood by Act!, Clipper,FoxPro, Arago, Wordtech, xBase, and similar database or database-related products.

DBF

Enable database (can be opened with Excel 97)

DBF

Oracle 8.1.x tablespace file

DBK

dBase Database Backup

DBK

Schematic backup file (Orcad Schematic Capture)

DBO

Compiled program file (dBase IV)

DBQ

Paradox Memo

DBT

dBase Text Memo

DBV

Memo field file (Flexfile 2)

DBW

Microsoft Windows 9.x Database file (DataBoss)

DBX

DataBeam image

DBX

Microsoft's Visual FoxPro Table file

DC

CAD file (DesignCAD)

DC2

CAD file (DesignCAD)

DCA

Document Content Architecture Text file (IBM DisplayWrite)

DCA

Visual Basic Active designer cache

DCF

Disk Image file

DCF

Data file (Dyadic)

DCIM

Digital Imaging and Communications in Medicine (image and data)

DCM

DCM module

DCP

Data CodePage (OS/2)

DCR

Shockwave file

DCS

Desktop Color Separation file

DCS

Bitmap Graphics (Quark XPress)

DCS

Datafile (ACT! Activity file)

DCT

Microsoft's Visual FoxPro database container file

DCT

Database Dictionary file (Clarion Database Developer)

DCT

Database SpellCheck Dictionary (Harvard Graphics 3.0-Symphony)

DCU

Delphi compiled unit

DCX

Microsoft's Visual FoxPro database container file

DCX

Fax image (based on PCX)

DCX

Macro file

DCX

Bitmap Graphics file (Multipage PCX)

DC5

DataCAD Drawing

DD

Compressed Archive (Macintosh DISKDOUBLER)

DDB

Bitmap Graphics file

DDF

Btrieve or Xtrieve Data Definition File, which contains metadata describing a Btrieve or Xtrieve file

DDI

Image File (DISKDUPE)

DDIF

Digital Equipment or Compaq file. Used for storing images and their word processing documents

DDP

Device Driver Profile (OS/2)

DEB

Debug Script (DOS Debug)

DEF

SmartWare II data

DEF

Define Module file (3-D Fassade Plus)

DEF

C++ definition file

DEF

Assembly Header file (Geoworks)

DEFI

Oracle 7 de-install script

DEM

Demo file (Descent)

DEM

A file with USGS standards for Digital Elevation Models (Vista Pro)

DEM

Graphics file (Vista Pro)

DEP

Visual Basic Setup Wizard Dependency file

DER

Certificate file

DEV

Device Driver

DEWF

Macintosh SoundCap/SoundEdit recorded instrument file

DEZ

Encrypted zip file (DES Encryption)

DFD

Data Flow Diagram Graphic (Prosa)

DFI

Outline Font description (Digifont)

DFL

Default Program Settings (Signature)

DFM

Data Flow Diagram model (Prosa)

DFS

Sound File (Delight)

DFV

Printing Form value (Microsoft Word)

DGN

Microstation95 CAD drawing

DGS

Diagnostics Report

DH

Dependency Information file (Geoworks)

DHP

Graphic file (Dr. Halo II-III PIC Format)

DHT

Datafile (Gauss)

DIA

Diagraph Graphics file (Computer Support Corporation)

DIB

Device-independent bitmap

DIC

Dictionary file

DIC

Dictionary file (Lotus Notes, Domino)

DICM

Digital imaging and communications in medicine file (DICOM)

DIF

Data Interchange Format spreadsheet

DIF

Database file (VisiCalc)

DIF

Data Interchange Output file

DIF

Text file (Output from Data Interchange Format)

DIG

Digilink file

DIG

Sound Designer I audio

DIP

Graphics file

DIR

Macromedia Director file

DIR

Dialing Directory (ProComm Plus)

DIR

Directory (VAX) (DEC)

DIR

Movie (MacroMind Director 4.x)

DIS

Ray Tracer file

DIS

Distribution file (VAX Mail)

DIS

Thesaurus file (CorelDraw)

DIZ

Description file (Description in ZIP)

DKB

Graphics file (Ray Traced DKBTrace)

DL

Image

DLD

Datafile (Lotus 1-2-3)

DLG

C++ Dialogue Script

DLL

Dynamic-link library file

DLL

Export/Import Filter (CorelDraw)

DLS

Downloadable sound

DLS

Interactive music architecture (IMA)(Microsoft),(Blood2)

DLS

Setup file (Norton DiskLock)

DMD

Visual dBASE data module

DMF

Packed Amiga disk image

DMF

X-Trakker music module (MOD)

DMO

Demo file (Derive)

DMP

Dump file (Screen or Memory)

DMS

Compressed Archive (Amiga DISKMASHER)

DOB

Visual Basic User document

DOC

FrameMaker or FrameBuilder document

DOC

WordStar document

DOC

WordPerfect document

DOC

Microsoft Word document

DOC

DisplayWrite document

DOC

Document format (Interleaf)

DOG

Screen Saver file (Laughing Dog Screen Saver)

DOH

Dependency Information file (Geoworks)

DOS

External Command file (1st Reader)

DOS

Network Driver file (PKT_DIS.dos)

DOS

Text file (DOS)

DOT

Word Document Template (Microsoft Word for Windows)

DOT

Line-Type definition (CorelDraw)

DOX

User document binary form (Visual Basic)

DOX

Text file (MultiMate 4.x)

DOZ

Description out of Zip (VENDINFO)

DP

Calendar file (Daily Planner)

DP

Datafile (DataPhile)

DPL

Borland Delphi 3 packed library

DPR

Project header (Borland C++)

DPT

Publication file (Publish-It!)

DRAW

Acorn's object-based vector image

DRC

Design rules check report file (Orcad Schematic Capture)

DRS

Display Resource file (Microsoft WordPerfect for Windows)

DRV

Driver

DRV

Device Driver (Required to make a device function)

DRW

Vector graphics (Micrografx)

DRW

Lotus Freelance Image

DRW

Pro/E drawing

DS4

Micrografx Designer Image

DR9

Directory file

DS4

Vector Graphics (Micrografx)

DSC

Discard file (Oracle)

DSD

Database file (DataShaper)

DSF

Micrografx Designer v7.x file

DSG

DooM saved game

DSK

Project Desktop file (Borland C++/Turbo Pascal)

DSK

Driver file (Novell Netware)

DSM

Dynamic Studio music module (MOD)

DSM

Digital Sound Module (DSI)

DSM

Music module file (DSIK)

DSN

ODBC Data source

DSN

Design (Object System Designer)

DSN

Schematic file (Orcad Schematic Capture)

DSP

Microsoft Developer Studio project

DSP

Display parameters (Signature)

DSP

Graphics Display driver (Dr. Halo)

DSQ

Corel QUERY

DSR

Visual Basic Active designer file

DSR

Driver Resource (Microsoft WordPerfect for Windows)

DSS

Screensaver file (DCC)

DSS

Digital Sound file (Digital Soup))

DST

Embroidery machines graphic file

DST

Distribution file (PC-RDist, by Pyzzo)

DSW

Desktop settings (Borland C++ 4.5)

DSW

Microsoft Developer Studio workspace file

DSX

Visual Basic Active designer binary file

DT_

Data file fork (Macintosh)

DTA

World Bank's STARS data

DTA

Datafile (Turbo C++)

DTD

SGML Document Type Definition (DTD) file

DTED

Digital terrain elevation data (geographic data format)

DTF

Database file (PFS-Questions & Answers)

DTF

Symantec Q&A relational database

DTM

Module file (DigiTrakker)

DTP

Desktop layout file (SecurDesk!/SecurDesk! LV)

DTP

Text Document (Timeworks Publisher 3.x)

DTP

Template file (Pressworks)

DUN

Microsoft Dial-up Networking Export file

DUP

Duplicate Backup

DV

Digital video (MIME)

DVC

Datafile (Lotus 1-2-3)

DVF

Graphics file associated with camcorders (DV Studio)

DVI

Binary file (TeX)

DVI

Device Independent Document (TeX) (LaTeX)

DVP

Desqview Program information (DESQview)

DVP

Device parameter file (AutoCAD)

DW2

Drawing file (DesignCAD for Windows)

DWC

Compressed Archive (DWC)

DWD

DiamondWare digitized file

DWF

Vector graphic (Autodesk)

DWF

Drawing Web file (Microsoft WHIP autoCAD reader)

DWG

AutoCAD Drawing

DWG

AutoCAD drawing, or older Generic CAD drawing file

DWP

Document file (DeScribe)

DWS

Workspace file (Dyadic)

DX

Digital Electric Corporation (DEC) Data exchange file

DXF

Drawing Interchange (eXchange) format,a text representation of the binary DWG format

DXF

Drawing Interchange Format (AutoCAD)

DXF

Data Exchange File

DXN

Fax document (Fujitsu dexNet)

DXR

Macromedia Director protected (not editable) movie file

DYN

Datafile (Lotus 1-2-3)

D2D

2D/3D object file (3-D Fassade Plus)

D64

Commodore 64 emulator disk image