| Extension |
Information |
|
C4
|
Edmics |
|
CAB
|
Install Shield v5.x or 6.x Compressed File (InstallShield Software Corporation) |
|
CAB
|
Cabinet File (Microsoft Corporation) |
|
CAD
|
QuickCAD CAD Drawing (Autodesk, Inc.) |
|
CAD
|
EXTRACAD Drawing (Softwing Srl) |
|
CAD
|
CadStd Drawing (CadStd Computer) |
|
CAF
|
Class Action Gradebook Secondary/College Edition Data File (CalEd Software) |
|
CAF
|
GarageBand Apple Loop (Apple Inc.) |
|
CAL
|
PhotoSmart 850 Digital Camera Firmware Update (Hewlett-Packard Development Company, L.P.) |
|
CAL
|
QV Map Geographic Coordinates (Touratech) |
|
CAL
|
Calendar File |
|
CAM
|
Camtasia Studio Project/Producer Files (TechSmith Corporation) |
|
CAM
|
HouseCall AUTOEXEC.BAT Backup (Trend Micro Inc.) |
|
CAM
|
Abe's Oddysee Background (Oddworld Inhabitants) |
|
CAP
|
Code Architect Project File (Embedded Systems Academy) |
|
CAP
|
NetMon Capture File (Microsoft Corporation) |
|
CAP
|
Generic Network Capture Document |
|
CAR
|
SAPCAR Archive (SAPGenie.COM) |
|
CAR
|
AtHome Assistant |
|
CAR
|
Railroad Tycoon 3 Car Properties (PopTop Software Inc.) |
|
CAT
|
Rational Rose Logical Package (IBM) |
|
CAT
|
Advanced Disk Catalog Disk Catalog (Elcomsoft) |
|
CAT
|
Security Catalog (Microsoft Corporation) |
|
CATIA
|
|
|
CBR
|
CDisplay RAR Archived Comic Book File |
|
CBZ
|
CDisplay ZIP Archived Comic Book File |
|
CC
|
Trojan Spymaster.A Text File |
|
CC
|
Picture Window's Color Curve File |
|
CC
|
ADS Source Code (Autodesk, Inc.) |
|
CCA
|
Common Component Architecture (CCA) Component (Dept. of Energy Laboratories) |
|
CCA
|
Multimedia Fusion File (Clickteam) |
|
CCA
|
CC:Mail Archive File (IBM) |
|
CCD
|
CloneCD Control File (SlySoft Inc.) |
|
CCF
|
CryptLoad Container File (CryptLoad) |
|
CCF
|
CommView Capture File (TamoSoft, Inc.) |
|
CCF
|
AudioReQuest Control File |
|
CCT
|
Railroad Tycoon 3 Car Type Description (PopTop Software Inc.) |
|
CCT
|
Macromedia Director Shockwave Cast (Adobe Systems Incorporated) |
|
CCT
|
Windows Live Messenger Contacts File (Microsoft Corp.) |
|
CD
|
CD-i OptImage CD Image |
|
CDA
|
CD Audio Track Shortcut |
|
CDA
|
Giza Specifier Typical File (20-20 Technologies) |
|
CDB
|
The Cleaner Trojan Database (Moosoft Development LLC.) |
|
CDB
|
Nokia 9210/9290 Phone Contact Database (Nokia) |
|
CDB
|
CardScan Database (Corex Technologies) |
|
CDC
|
CLAN Debug File (Child Language Data Exchange System) |
|
CDC
|
Canvastic Documnet/Drawing (Canvastic) |
|
CDC
|
Nero CD Cover File (Nero AG) |
|
CDD
|
Concept Draw Drawing/Diagram (Computer Systems Odessa, Corp.) |
|
CDD
|
Cadifra Diagram (Cadifra Inc.) |
|
CDD
|
Balder Multiboot Configuration File (Hans Christian Ihlen) |
|
CDE
|
CADKEY Dynamic Extension (Kubotek USA Inc.) |
|
CDE
|
Honeywell Hybrid Control Designer |
|
CDF
|
ANDI/netCDF Mass Spectrometry Data Interchange format |
|
CDF
|
Unidata NetCDF Graphic File (University Corporation for Atmospheric Research) |
|
CDF
|
Xilinx Integrated Software Environment Chain Description File (Xilinx, Inc.) |
|
CDG
|
DART Karaoke Studio CD+G File |
|
CDG
|
CanoDraw Graph (Microcomputer Power) |
|
CDI
|
CD Anywhere Virtual CD (V Communications, Inc.) |
|
CDI
|
Disc Juggler CD Image File |
|
CDI
|
Phillips Compact Disk Interactive Format |
|
CDL
|
NetCDF CDL Metadata (Unidata) |
|
CDL
|
CADKEY Advanced Design Language (CADL) (Kubotek USA Inc.) |
|
CDM
|
PowerDesigner Conceptual Model File |
|
CDM
|
NTI CD&DVD-Maker Image File (NewTech Infosystems) |
|
CDM
|
Compressed Music Format |
|
CDP
|
Ca Visual Objects Platform for Developer (CAVO) (CA) |
|
CDR
|
Final Cut Pro CD/DVD Image File (Apple Inc.) |
|
CDR
|
GameJack Virtual CD or DVD Image (S.A.D. GmbH.) |
|
CDR
|
Corel Vector Graphic Drawing (Corel Corporation) |
|
CDS
|
United States Postal Service Computerized Delivery Sequence |
|
CDS
|
ChemDraw Stationery Document |
|
CDS
|
Delphi TClientDataset Data (Borland Software Corporation) |
|
CDT
|
ProWORX Nxt Temporary Long Comment Data (Schneider Electric) |
|
CDT
|
MRS-802 Album Data (Zoom Corporation) |
|
CDT
|
CorelDraw Template (Corel) |
|
CDX
|
Visual Foxpro Index (Microsoft Corporation) |
|
CDX
|
Compound Index |
|
CDX
|
iAnywhere Index File (Sybase, Inc.) |
|
CEL
|
Lumena CEL Bitmap (Time Arts Software) |
|
CEL
|
Animator Graphic (Autodesk, Inc.) |
|
CEL
|
Audition Loop File (Adobe Systems Incorporated) |
|
CER
|
Internet Security Certificate File |
|
CER
|
Cerius2 (Accelrys Software Inc.) |
|
CFA
|
Premiere Pro Audio File (Adobe Systems Incorporated) |
|
CFG
|
Configuration |
|
CFG
|
Flight Simulator Aircraft Configuration File (Microsoft Corporation) |
|
CFG
|
Pro/ENGINEER Configuration (PTC) |
|
CFM
|
Cold Fusion Template File |
|
CFR
|
IBM Configurator Report |
|
CFS
|
ChatFactory Script (ChatFactory Team) |
|
CFS
|
Signal Data (Cambridge Electronic Design Limited) |
|
CGI
|
Common Gateway Interface Script |
|
CGM
|
Computer Graphics Metafile [New Style] |
|
CGM
|
Computer Graphics Metafile [Old Style] |
|
CGR
|
Quest3D Program Part (Act-3D B.V.) |
|
CGR
|
CATIA Drawing (Dassault Systèmes) |
|
CHD
|
Ares Font Chameleon Font Descriptor |
|
CHD
|
ViewChoice (Payroll Associates, LLC) |
|
CHD
|
MAME Compressed Hard Disk File (MAME Team) |
|
CHK
|
SSConvert Multilanguage Video Subtitle Data (Screen Subtitling Systems Ltd.) |
|
CHK
|
3D Movie Maker Interface Data File (Microsoft Corporation) |
|
CHK
|
CHKDSK/SCANDISK Output |
|
CHM
|
HTML Help Compiled Help File (Microsoft Corporation) |
|
CHM
|
ChemDraw Chemical Structure (CambridgeSoft Corporation) |
|
CHR
|
Borland Language Stroke Font File (Borland Software Corporation) |
|
CHR
|
Wormhole 2.0/ Liero Graphics Editor Liero Graphics Mod |
|
CHT
|
BizInt Smart Charts for Drug Pipelines Document (BizInt Solutions) |
|
CHT
|
Harvard Graphics Vector File (Harvard Graphics) |
|
CHT
|
ZSNES Cheat Code (ZSNES Team) |
|
CHW
|
HTML Help General Index Funtionally comparable to .GID. |
|
CI
|
CitectSCADA File |
|
CID
|
Navigator Chart Image Description (Tecepe) |
|
CID
|
CallerID File (AnalogX) |
|
CIF
|
Ariba Buyer Catalog Information Format (Ariba Inc.) |
|
CIF
|
Creator Document File (MultiAd, Inc.) |
|
CIF
|
Easy CD Creator Image (Sonic Solutions) |
|
CISO
|
|
|
CIT
|
Intergraph Scanned Image (Intergraph Corporation) |
|
CIT
|
Norton CleanSweep Installation Log (Symantec Corporation) |
|
CIT
|
ClockIt Employee Duty Roster (ES-Software.net) |
|
CLASS
|
Java Class File (Sun Microsystems, Inc.) |
|
CLASS
|
Java Bytecode (Sun Microsystems, Inc.) |
|
CLG
|
CollageMaker Graphic (Galleria Software) |
|
CLI
|
Client Management System Customer File (HawkSoft, Inc.) |
|
CLK
|
WatchGuard Cloaked File (WatchGuard Technologies, Inc.) |
|
CLK
|
ClickFORMS Data (Bradford Technologies Inc.) |
|
CLP
|
DeskMate Clip |
|
CLP
|
Clipper 5 Compiler Script |
|
CLP
|
CLIPS/wxCILPS File |
|
CLS
|
ArcView Geocoding Classification File (ESRI) |
|
CMD
|
OS/2 |
|
CMD
|
1st Reader External Command Menu |
|
CMD
|
Command File for Windows NT (Microsoft Corporation) |
|
CMF
|
Creative Music File |
|
CMF
|
CaseMap File Viewer Definition (LexisNexis) |
|
CMF
|
MapPoint 2006 Map File (Microsoft Corporation) |
|
CMP
|
Freelancer Physical Model Layout (Microsoft Corporation) |
|
CMP
|
JPEG Bitmap |
|
CMP
|
Address Document |
|
CMS
|
CaseMap Case Script (LexisNexis) |
|
CMS
|
TrialDirector Compound Media Storage |
|
CMX
|
Apple Viewer (Apple Inc.) |
|
CMX
|
Presentation Exchange Image (Corel) |
|
CND
|
Embroidery Design File |
|
CND
|
ControlDraw File |
|
CNF
|
minisat or ubcsat Connective Normal Form Logic Equations (SATLIB - The Satisfiability Library) |
|
CNF
|
KiSS Paper Doll Set |
|
CNF
|
1-2-3 Configuration (IBM) |
|
CNT
|
Help File Contents |
|
CNT
|
Rational Rose 98 Contents Tab File (IBM) |
|
CNV
|
Word Data Conversion File (Microsoft Corporation) |
|
CNV
|
Canvas Versions 6, 7, 8, 9 Graphic File (ACD Systems Ltd.) |
|
COBOL
|
|
|
COD
|
C Compiler Output (Microsoft Corporation) |
|
COD
|
Atlantis Word Processor Encrypted Document (Rising Sun Solutions, Inc.) |
|
COD
|
Agent Charmap (Forté) |
|
COD
|
SWAT Input Control File |
|
COD
|
Blackberry Compiled Java Code (Research In Motion Limited) |
|
CODEC
|
Rockbox CODEC (The Rockbox Crew) |
|
COLDFUSION
|
|
|
COM
|
EICAR Anti-Virus Test File (EICAR) |
|
COM
|
DOS or CP/M Executable |
|
COM
|
AOL (America Online, Inc.) |
|
COMPRESSED
|
|
|
CON
|
Battlefield 1942 Configuration File (Electronic Arts, Inc.) |
|
CON
|
LucasArts Container File (LucasArts Entertainment Company LLC) |
|
CON
|
Train Simulator Train/Model Identification File (Microsoft Corporation) |
|
CONFIG
|
WatchDirectory Task Information (GdP Software) |
|
CONFIG
|
NET Application Configuration Information (Microsoft Corporation) |
|
CONFIG
|
Rockbox Configuration File (The Rockbox Crew) |
|
CONFIGURATION
|
|
|
CONTACT
|
Windows Vista Contact File (Microsoft Corporation) |
|
CP
|
CompuMedic Database |
|
CP
|
Audition Script (Adobe Systems Incorporated) |
|
CPC
|
Cartesian Products Compressed Internet Document (Cartesian Products, Inc.) |
|
CPF
|
Canvastic Preferences (Canvastic) |
|
CPF
|
CircuitCAM Manufacturing Process Definition File (Aegis Industrial Software Corporation) |
|
CPF
|
O&O CleverCache Profile (O&O Software GmbH) |
|
CPG
|
|
|
CPI
|
Cartesian Products Compressed Internet Document (Cartesian Products, Inc.) |
|
CPI
|
AVCHD Clip Information |
|
CPI
|
Windows International Code Page (Microsoft Corporate) |
|
CPL
|
Windows Control Panel Extension (Microsoft Corporation) |
|
CPL
|
Compel Show Ver 1 Presentation (Click2learn, Inc.) |
|
CPP
|
Visual C++ Source Code File (Microsoft Corporation) |
|
CPP
|
Xcode Core C Program (Apple Inc.) |
|
CPP
|
C++ Builder 6 (Borland Software Corporation) |
|
CPS
|
Photo House Image (Corel Corporation) |
|
CPT
|
After Shot (Corel Corporation) |
|
CPT
|
CCRYPT Encrypted File |
|
CPT
|
Compact Pro Archive (Cyclos) |
|
CPX
|
Age of Empires I and II Campaign File (Microsoft Corporation) |
|
CPX
|
Code Page Translation File (Microsoft Corporation) |
|
CPY
|
RM/COBOL Development System Include File (Liant) |
|
CPY
|
eCopy Scanned Document (eCopy, Inc.) |
|
CPY
|
Flexus COBOL Definitions |
|
CR
|
Crack File |
|
CR2
|
Canon Digital Camera Raw Image Format (Canon, Inc.) |
|
CRC
|
Pro/ENGINEER Temporary File (PTC) |
|
CRC
|
JPEG Sheriff CRC Info File (engineering bureau Office Automation) |
|
CRC
|
Total Commander CRC File (Christian Ghisler, C. Ghisler & Co.) |
|
CRD
|
Guitar Chord File |
|
CRD
|
ColdRED Script File |
|
CRD
|
Spanish Whiz Card Game Sound File (GB Blanchard) |
|
CRS
|
StepMania Course (StepMania Development Team) |
|
CRS
|
Dance With Intensity |
|
CRT
|
UNIX Crontab File |
|
CRT
|
Certificate File |
|
CRW
|
Crossword Genius |
|
CRW
|
CHARTrunner Workspace Definition (PQ Systems) |
|
CRW
|
Canon Digital Camera Raw Image Format (Canon, Inc.) |
|
CRX
|
Links Games Course File |
|
CS
|
Tribes 2 Scripting File (Sierra) |
|
CS
|
Visual C#.NET Source Code (Microsoft Corporation) |
|
CS
|
Caditor Document (Caglow) |
|
CSD
|
Bitstream Fontware |
|
CSD
|
Csound Unified File Format for Orchestras and Scores (Dr. Richard Boulanger) |
|
CSD
|
Canon Camera Configuration File (Canon, Inc.) |
|
CSE
|
GPS Pathfinder Office Coordinate System (Trinble Navigation Limited) |
|
CSE
|
Cardinal Studio Template File |
|
CSF
|
Brava Reader Content Sealed Format (Informative Graphics Corp) |
|
CSF
|
Acrobat Color Setting (Adobe Systems Incorporated) |
|
CSF
|
Photoshop Color Settings (Adobe Systems Incorporated) |
|
CSH
|
Cubase Offline Processing Information (Steinberg Media Technologies GmbH.) |
|
CSH
|
CARA-Script-Interpreter-Engine Script |
|
CSH
|
csh Script |
|
CSI
|
Cyberautograph Signed Item |
|
CSO
|
CISO Compressed ISO CD Image |
|
CSP
|
Crystal Enterprise Crystal Server Page |
|
CSP
|
ChaoSynth Parameter File (Nyrsound) |
|
CSP
|
AudioZip Encoded Audio |
|
CSR
|
Fast SMS Set SMS Relay Configuration (Comat AG) |
|
CSS
|
Citadel SafStor User Script File |
|
CSS
|
Hypertext Cascading Style Sheet |
|
CST
|
CHARTrunner Chart Style Definition (PQ Systems) |
|
CST
|
Medbasin Model Calibration File (National Technical University of Athens, Laboratory of Reclamation Works & Water Resources Management) |
|
CSV
|
Comma-Separated Variables |
|
CSV
|
Boso View Express Railway and Structure File (Mackoy) |
|
CT
|
Cheat Engine Cheat Table (Dream.media) |
|
CT
|
CTwin Project Data (Procedimientos-Uno, S.L.) |
|
CT
|
Scitex CT Handshake Continuous-Tone Bitmap |
|
CTB
|
AutoCAD Color-dependent Plot Style Table (Autodesk, Inc.) |
|
CTB
|
Custody Toolbox Data File (Five O'clock Software) |
|
CTF
|
Symphony Character Code Translation (IBM) |
|
CTF
|
AVG Update Control File (AVG Technologies) |
|
CTF
|
CoffeeCup HTML Editor Table File (CoffeeCup Software, Inc.) |
|
CTG
|
BMC Software Patrol File |
|
CTG
|
Powershot Pro 70 Info File (Canon, Inc.) |
|
CTL
|
Visual Basic User-defined Control (Microsoft Corporation) |
|
CTL
|
EditPlus Cliptext File (ES-Computing) |
|
CTL
|
PDP-10 Batch Control File |
|
CTP
|
BestAddress HTML Editor Combined Template File (Multimedia Australia Pty. Ltd.) |
|
CTP
|
American Greetings CreataCard (Broderbund) |
|
CTX
|
Alphacam Compiled Text (Planit) |
|
CTX
|
GE Industrial Systems CIMPLICITY Text Version HMI Screen |
|
CTX
|
CTRAN/W DEFINE Compressed Data File (Geo-Slope International) |
|
CUBASE
|
|
|
CUE
|
CUEcards 2000 Database (Marcus Humann) |
|
CUE
|
BPM Studio Cue Points (ALCATech) |
|
CUE
|
CDRWin and Others Description File for a CD-Image |
|
CURSOR
|
Sun Icon/Cursor |
|
CVA
|
Compaq Diagnostics (Hewlett-Packard Development Company, L.P.) |
|
CVR
|
Bitware Fax File |
|
CVS
|
|
|
CWK
|
GCPrevue Work File (Graphicode) |
|
CWK
|
CattleMax Data File (Cattlesoft, Inc.) |
|
CWK
|
ClarisWorks Data File (FileMaker, Inc.) |
|
CWR
|
Wrapcandy Candy Wrapper (Wrapcandy.com) |
|
CWR
|
Crystal Reports Report (Crystal Decisions) |
|
CXT
|
Crocodile Technology Circuit (Crocodile Clips Ltd) |
|
CXX
|
Visual C++ Source Code File (Microsoft Corporation) |
|
CXX
|
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
