C File Extensions

File types with extensions that start with the letter C.

Extension	File Type	File Description
.c	Developer	C/C++ Source Code File
.c	Developer	Lite-C Script
.c00	Compressed	WinAce Split Archive File
.c01	Compressed	WinAce Split Archive Part 1 File
.c01	Audio	Typhoon Wave Audio File
.c02	Compressed	WinAce Split Archive Part 1 File
.c2d	Disk	WinOnCD Disc Image
.c2r	Settings	Windows Media Center Click-To-Record File
.c4	Raster Image	JEDMICS Image File
.c4d	3D Image	Cinema 4D Model File
.ca	Misc	Initial Telnet Cache
.cab	System	Windows Cabinet File
.cache	Misc	Cache File
.cad	3D Image	BobCAD-CAM File
.caf	Audio	Core Audio File
.cag	Image	Clip Art Gallery
.cal	Page Layout	Calendar File
.cal	Raster Image	CALS Raster Graphic
.calb	Misc	Coolect Album File
.cals	Raster Image	CALS Raster Graphic File
.cam	Image	Casio Digital Camera Picture
.cam	Misc	Gerber CAM Job File
.camp	Settings	WCS Color Appearance Model Profile File
.camrec	Video	Camtasia Studio Screen Recording
.can	Raster Image	Canon Navigator Fax Document
.cap	Data	Packet Capture File
.cap	Developer	Construct Game Development File
.car	Compressed	CAR Archive
.cat	Data	Advanced Disk Catalog Database
.catpart	Image	CATIA V5 Part Document
.cb7	Compressed	Comic Book 7-Zip Archive
.cbf	Game	ChessBase Game Information File
.cbf	Page Layout	Calendar Builder File
.cbg	Data	CyberGauge Data File
.cbk	Backup	Backup Configuration File
.cbl	Developer	COBOL Program
.cbr	Compressed	Comic Book RAR Archive
.cbt	Compressed	Comic Book TAR File
.cbt	Misc	Computer Based Training File
.cbz	Compressed	Comic Book ZIP Archive
.cc	Developer	C++ Source Code File
.ccd	Disk	CloneCD Disk Image
.ccf	Encoded	CryptLoad Container File
.cch	Data	Corel Chart File
.ccn	Developer	Compressed Multimedia Fusion File
.ccr	Data	ASTM Continuity of Care Record
.cct	Data	Director Protected Cast Resource
.ccx	Plugin	Click & Create Extension
.cd	Disk	CD-i OptImage
.cd	Developer	Visual Studio Class Diagram
.cd2	Page Layout	Click'N Design 3d File
.cd5	Raster Image	Chasys Draw Image File
.cda	Audio	CD Audio Track Shortcut
.cdb	Data	Symbian Phonebook Database
.cdb	Data	CardScan Contacts Database
.cdb	Data	Pocket Access Database
.cdd	Data	ConceptDraw Drawing File
.cdf	Web	Channel Definition Format
.cdf	Data	Content Definition File
.cdf	Data	Common Data Format
.cdg	Raster Image	Compact Disc Plus Graphics Image
.cdi	Disk	DiscJuggler Disc Image
.cdp	Data	CD/Spectrum Pro File
.cdp	Game	Trainz Simulator Content Dispatcher Pack
.cdp2	Game	Trainz Classics Content Dispatcher Pack 2
.cdr	Vector Image	CorelDRAW Image File
.cdr	Data	Crash Data Retrieval Data File
.cdr	Audio	Raw Audio CD Data
.cdt	Settings	CorelDRAW Image Template
.cdx	Data	Compound Index File
.ce	Image	Computer Eyes Image
.ceb	Misc	Apabi eBook File
.cel	Data	Battery 3 Drum Cell File
.cel	Audio	Audition Loop
.cel	Image	MicroStation Cell Library
.celtx	Data	Celtx Project File
.cer	Web	Internet Security Certificate
.cfg	Settings	Configuration File
.cfg	Settings	Citrix Server Connection File
.cfl	Misc	IMVU Product File
.cfm	Web	ColdFusion Markup File
.cgf	Game	Far Cry Model File
.cgi	Executable	Common Gateway Interface Script
.cgm	Vector Image	Computer Graphics Metafile
.cgp	Encoded	PixelCryptor Encrypted File
.cgr	Settings	Quest3D Channel Group File
.cgz	Game	AssaultCube Map File
.cgz	System	Linux Drivers Archive
.ch3	Page Layout	Harvard Graphics DOS Chart File
.cha	Settings	Photoshop Channel Mixture
.cha	Web	Online Chat Configuration File
.cha	Font	Character Layout File
.charset	Text	Character Set
.chat	Web	Online Chat Configuration File
.chg	Data	Quicken Online Data File
.chk	Misc	Saved File Fragment
.chk	Game	StarCraft Chunk File
.chk	Data	InterCheck Checksum Database
.chl	Settings	WinFast PVR2 Channel List
.chm	Web	Compiled HTML Help File
.chml	Encoded	Chameleon Encrypted Database File
.chn	Data	Ethnograph Data
.chord	Text	Song Chords File
.chr	Font	Borland Character Set
.cht	Game	SNES Cheat File
.chw	Misc	Compiled Help Index File
.cidb	Audio	iTunes CD Information File
.cif	Disk	Easy CD Creator Disk Image
.cil	Image	ClipArt Gallery Packaged File
.cin	Raster Image	Kodak Cineon Bitmap File
.cit	Raster Image	Intergraph Bitmap Image File
.ck9	Backup	Cook'n Cookbook Backup File
.ckd	Data	Kubotek Design Container
.ckt	Data	CircuitMaker File
.cl2	Data	HY-TEK Meet Results File
.cl4	Data	Easy CD Creator 4 Project File
.cl5	Disk	Easy CD Creator 5 Saved Project
.class	Developer	Java Class File
.clb	System	COM+ Catalog File
.clb	Data	ICQ Contact List
.cld	Page Layout	Canon CD Label Template
.clix	Data	CLIX Command File
.clkk	Misc	Clicker Keyboard
.clkt	Misc	Clicker Template
.clkw	Misc	Clicker Word Bank
.clkx	Misc	Clicker Grid Set
.clm	Data	MagicJack Call Log File
.clm	Data	GenePattern CEL Descriptor File
.clp	Data	Windows Clipboard File
.clpi	Video	Blu-ray Clip Information File
.clr	Settings	CryptLoad Router Information File
.clr	Misc	Flash Color Set
.cls	Developer	Program Class File
.clx	Encoded	Ceelox SecureMail Secure Message
.cm	Game	CLEO Custom Mission
.cm	Settings	Cable Modem Configuration File
.cm2	3D Image	Poser Camera Set File
.cmbl	Data	Logger Pro Data File
.cmd	Executable	Windows Command File
.cmf	Audio	Creative Music Format
.cmm	Misc	Corel Multimedia Manager Album
.cmp	3D Image	Solid Edge Wire Harness File
.cmp	Vector Image	Generic CADD Component File
.cms	Web	Content Management System
.cmx	Vector Image	Corel Metafile Exchange Image File
.cmz	3D Image	Compressed Poser Camera Set File
.cna	Data	Catena Project File
.cnc	Misc	CNC Machine Tool Path
.cnf	Settings	Telnet Configuration File
.cnt	System	Help Contents File
.cnv	Vector Image	Canvas 6-8 Drawing File
.cob	Developer	COBOL Source Code File
.cod	Developer	Compiled Source Code
.col	Game	Grand Theft Auto Collision File
.colorpicker	Plugin	Color Picker Plugin
.com	Executable	DOS Command File
.comicdoc	Page Layout	Comic Life Document
.component	Plugin	Mac OS X System Component
.con	Web	Concept Application Source File
.conf	Settings	Unix Configuration File
.config	Developer	Configuration File
.contact	Data	Windows Contact File
.copy	Audio	Sony Ericsson Protected Content File
.cox	Plugin	Click & Create Extension
.cp	Developer	Xcode C++ Source File
.cp	Developer	Captivate Source File
.cp3	Misc	Grand Prix 3 Cockpit Shape File
.cp9	Compressed	ChoicePoint Encrypted File
.cpc	Raster Image	CPC Compressed Image File
.cpd	Raster Image	Compressed PhotoDefiner Image File
.cpg	Game	StarCraft Campaign File
.cpg	Raster Image	Manga Studio Page File
.cpgz	Compressed	Compressed CPIO Archive
.cph	Page Layout	Corel Print House File
.cpi	System	Codepage Information File
.cpio	Encoded	Unix CIPO Archive
.cpl	System	Windows Control Panel
.cpmz	Data	Miradi/ConPro Project File
.cpp	Developer	C++ Source Code File
.cpr	Audio	Cubase Project
.cps	Raster Image	Corel Photo House File
.cpt	Encoded	Ccrypt Encrypted Archive
.cpt	Audio	DTS Compact Audio File
.cpt	Image	Corel Photo-Paint Document
.cpt	Compressed	Compact Pro Archive
.cpt	Misc	Pocket Slides Presentation
.cpx	Settings	Oracle ADF Binding Context File
.cpx	Game	Rise of Rome Campaign File
.cpx	Raster Image	Corel CMX Compressed File
.cr2	3D Image	Poser Character Rigging File
.cr2	Raster Image	Canon Raw Image File
.crash	System	Mac OS X Crash Log File
.crc	Misc	Total Commander Checksum File
.crd	Text	Guitar Tabs
.crd	Data	Windows Cardfile
.crt	Web	Security Certificate
.crtx	Data	Office 2007 Chart Template File
.crw	Raster Image	Canon Raw CIFF Image File
.crwl	Text	Windows Crawl File
.crx	Plugin	Chrome Extension
.crz	3D Image	Compressed Poser Character Rigging File
.cs	Game	CLEO Custom Script
.cs	Developer	C Sharp Source Code File
.csa	Data	PNA Code Calset File
.csd	Page Layout	Compact Shared Document
.csf	Raster Image	Content Secure Format
.csf	Settings	Photoshop Color Settings
.csh	Misc	Photoshop Custom Shapes File
.csh	Audio	Cubase Waveform File
.csh	Executable	C Shell Script
.csi	Developer	ContentServ Include File
.csi	Developer	EdLog Program Data File
.csm	3D Image	Character Studio Marker File
.cso	Disk	Compressed ISO Disk Image
.csp	Web	Concept Server Page
.csproj	Developer	Visual Studio C# Project
.csr	Web	Certificate Signing Request File
.css	Web	Cascading Style Sheet
.cst	Developer	ContentServ Template
.csv	Data	Comma Separated Values File
.ct	Raster Image	Scitex Continuous Tone File
.ct	Game	Cheat Engine Cheat Table
.ctb	Settings	AutoCAD Color-Based Plot Style File
.ctf	Data	WhereIsIt Catalog
.ctf	Misc	Content Transformation File
.ctf	Misc	AVG Update Control File
.ctg	Misc	Canon Digital Camera Catalog File
.ctl	Developer	Visual Basic UserControl Object File
.ctp	Developer	CakePHP Template
.ctt	Data	Messenger Contact List
.ctx	Developer	Visual Basic Control Binary File
.cty	Game	SimCity City File
.cue	Disk	Cue Sheet File
.cue	Disk	CDRWin Cue Sheet
.cui	Settings	AutoCAD Custom Workspace File
.cur	System	Windows Cursor
.cursorfx	Data	CursorFX Theme File
.curxptheme	Data	CursorXP Theme File
.cut	Image	Dr. Halo Bitmap Image File
.cv5	Vector Image	Canvas 5 Drawing File
.cva	Settings	HP Systems Software Manager Information File
.cvc	Video	cVideo
.cvd	Data	ClamAV Virus Definitions File
.cvg	Vector Image	Calamus Vector Graphic File
.cvi	Raster Image	CassiniVision Map Image File
.cvi	Vector Image	Canvas Image Format
.cvn	Data	CineVision Encoding Session
.cvs	Vector Image	Canvas 4 Drawing File
.cvx	Vector Image	Canvas 9 Image File
.cwf	Settings	CorelDraw Workspace File
.cwk	Data	ClarisWorks Document
.cwp	Audio	Cakewalk SONAR Project
.cws	Data	Claris Works Template
.cwz	Data	Circuit Wizard File
.cxt	Data	Director Protected Cast File
.cyi	Text	Clustify Input File
.cyo	Data	Clustify Output File
.cys	Data	Clustify Summary File
.cyw	Executable	Rbot.CYW Worm File