Starting with a character: : C

File extension	Full name
C File Extension	C/C++ Source Code File
C00 File Extension	WinAce Split Archive File
C01 File Extension	WinAce Split Archive Part 1 File
C02 File Extension	WinAce Split Archive Part 1 File
C10 File Extension	WinAce Split Archive Part 10
C2D File Extension	WinOnCD Disc Image
C2R File Extension	Windows Media Center Click-To-Record File
C2U File Extension	Texas Instruments CBL 2 OS File
C32 File Extension	Syslinux COM32 Module
C3D File Extension	Coordinate 3D File
C3Z File Extension	OpenQwaq 3D Model File
C4 File Extension	JEDMICS Image File
C4D File Extension	Cinema 4D Model File
C4K File Extension	Clonk Key File
C4P File Extension	CrossOver Software Installer File
CA File Extension	Initial Telnet Cache
CAA File Extension	CleanApp Archive
CAB File Extension	Windows Cabinet File
CACHE File Extension	Cache File
CACTION File Extension	Automator Converter Action
CAD File Extension	BobCAD-CAM File
CADC File Extension	Corpatla Data Container File
CAF File Extension	Core Audio File
CAFF File Extension	Core Audio File
CAG File Extension	ClipArt Gallery Package
CAL File Extension	3ds Max Pose Adjustment File
CALB File Extension	Coolect Album File
CALIBRE File Extension	Calibre Device Data File
CALS File Extension	CALS Raster Graphic File
CAM File Extension	Gerber CAM Job File
CAMM File Extension	Espresso Mind Map Document
CAMP File Extension	WCS CAMP
CAMPROJ File Extension	Camtasia Studio Project
CAMREC File Extension	Camtasia Studio Screen Recording
CAMV File Extension	Camtasia Video File
CAN File Extension	Canon Navigator Fax Document
CAP File Extension	Packet Capture File
CAPROJ File Extension	Construct Project File
CAPX File Extension	Construct Compressed Project File
CAR File Extension	Car Explorer Data File
CARC File Extension	Nintendo DS Compressed Archive File
CAS File Extension	Autodesk AutoCAD license file
CASE File Extension	SlipCover Case Template
CAT File Extension	Microsoft Security Catalog file
CATPART File Extension	CATIA V5 Part File
CATPRODUCT File Extension	CATIA V5 Assembly File
CAV File Extension	Comodo Virus Definitions File
CAWR File Extension	Espresso workreport Document
CB7 File Extension	Comic Book 7-Zip Archive
CBA File Extension	Comic Book ACE Archive
CBC File Extension	Comic Book Collection
CBDS File Extension	Comic Book DS File
CBF File Extension	Calendar Builder File
CBG File Extension	ChessBase Game Moves File
CBH File Extension	ChessBase Database Header File
CBK File Extension	Backup Configuration File
CBL File Extension	COBOL Source Code File
CBP File Extension	Code::Blocks Project File
CBR File Extension	Comic Book Archive file or ComicBook Reader file
CBS File Extension	Comodo Backup Script
CBT File Extension	CDisplay TAR Comic book file
CBU File Extension	Comodo Backup File
CBV File Extension	ChessBase Database File
CBZ File Extension	Comic Book Archive file or ComicBook Reader file
CC File Extension	C++ Source Code File
CCA File Extension	Multimedia Fusion File
CCD File Extension	CloneCD Disc Image
CCF File Extension	CryptLoad Container File
CCGAME File Extension	XNA Creators Club Game Package
CCH File Extension	Photomodeler photochip thumbnail file
CCIP File Extension	Curse Client Install Package
CCN File Extension	Multimedia Fusion development file
CCP File Extension	CloneCD profiles file
CCR File Extension	ASTM Continuity of Care Record
CCS File Extension	TrialDirector clip script file
CCSCC File Extension	ClearCase Source Control Info File
CCT File Extension	Director Protected Cast Resource
CCX File Extension	Click & Create Extension
CD File Extension	Visual Studio Class Diagram
CDA File Extension	CD Audio track
CDB File Extension	Symbian Phonebook Database
CDC File Extension	AutoCAD DesignCenter Preview Cache File
CDD File Extension	ConceptDraw PRO Document
CDDA File Extension	CD Digital Audio File
CDDX File Extension	Circuit Diagram Document
CDF File Extension	Computable Document Format File
CDF-MS File Extension	ClickOnce Compiled Manifest File
CDG File Extension	DART Karaoke Studio lyrics file
CDI File Extension	DiscJuggler Disc Image
CDL File Extension	CADKEY Wireframe Design File
CDLX File Extension	Audition CD Layout File
CDM File Extension	NTI CD-Maker Image
CDMM File Extension	ConceptDraw MINDMAP Document
CDMP File Extension	WCS Device Model Profile
CDMT File Extension	ConceptDraw MINDMAP Template
CDMTZ File Extension	Compressed ConceptDraw MINDMAP Template
CDMZ File Extension	Compressed ConceptDraw MINDMAP Document
CDO File Extension	Crescendo music score file
CDP File Extension	Trainz Simulator Content Dispatcher Pack
CDP2 File Extension	Trainz Classics Content Dispatcher Pack 2
CDPX File Extension	ConceptDraw PROJECT XML File
CDPZ File Extension	ConceptDraw PROJECT Document
CDR File Extension	CorelDRAW Image File
CDT File Extension	CorelDRAW Image Template
CDW File Extension	KOMPAS Document
CDX File Extension	CorelDRAW compressed drawing file
CDXML File Extension	ChemDraw XML File
CDZ File Extension	ROM With a View project file
CE File Extension	ComputerEyes Image
CEB File Extension	Apabi eBook File
CED File Extension	JVC Camera Video Data File
CEDPRJ File Extension	Ashampoo CoverEditor Project
CEF File Extension	CenturionMail Encrypted Package
CEL File Extension	Affymetrix Probe Results File
CELTX File Extension	Celtx Project File
CELX File Extension	Celestia Script
CEM File Extension	Empire Earth game file
CER File Extension	Internet Security Certificate
CEX File Extension	SolidWorks Enterprise PDM Vault Export File
CF File Extension	Sendmail Configuration File
CF2 File Extension	Common File Format File
CFA File Extension	Adobe Conformed Audio File
CFC File Extension	ColdFusion Component File
CFF File Extension	ColorImpact color formula file
CFG File Extension	Configuration File
CFGE File Extension	Jewel Quest Configuration File
CFL File Extension	IMVU Product File
CFM File Extension	ColdFusion Markup File
CFML File Extension	ColdFusion Markup Language File
CFR File Extension	Cross Fire Replay File
CFS File Extension	INMOS configuration file
CFXR File Extension	Cocoa Sfxr File
CG File Extension	Cg Program
CG3 File Extension	Cabri 3D Document
CGA File Extension	Ventura Publisher CGA display font
CGF File Extension	Crytek Geometry Format File
CGFX File Extension	CgFX Shader File
CGI File Extension	Common Gateway Interface Script
CGM File Extension	Computer Graphics Metafile
CGP File Extension	PixelCryptor Encrypted File
CGR File Extension	CATIA Graphical Representation File
CGRP File Extension	Pro Tools Clip Group File
CGZ File Extension	Linux Drivers Archive
CH3 File Extension	Harvard Graphics DOS Chart File
CHA File Extension	IRC Chat Configuration File
CHAM File Extension	Compiled HAM File
CHARSET File Extension	Character Set
CHART File Extension	Feedback Chart File
CHAT File Extension	IRC Chat Configuration File
CHC File Extension	HCFR Colorimeter Data File
CHD File Extension	MAME Hard Disk Image
CHEF File Extension	Chef Source Code File
CHESSTITANSSAVE-MS File Extension	Microsoft Chess Titans Saved Game
CHG File Extension	Quicken Online data file
CHK File Extension	ScanDisk file fragment
CHL File Extension	Microsoft Internet Explorer channel information file
CHM File Extension	Compiled HTML Help File
CHML File Extension	Chameleon Encrypted Database File
CHN File Extension	Ethnograph Data
CHORD File Extension	Song Chords File
CHR File Extension	3ds Max Characters File
CHRPARAMS File Extension	CryENGINE Character Parameters File
CHS File Extension	Windows Chinese Noise-Word List File
CHT File Extension	SNES Cheat File
CHUNK001 File Extension	File Splitter Split Archive Part 1
CHV File Extension	ChView Interactive Star Map File
CHW File Extension	Compiled Help Index File
CHX File Extension	AutoCAD Standards Check File
CI File Extension	CitectSCADA file
CIDB File Extension	Apple iTunes CD information file
CIF File Extension	Easy CD Creator Disk Image
CIL File Extension	Clip Gallery Packaged File
CIMG File Extension	CImg Image File
CIN File Extension	Kodak Cineon Bitmap File
CINE File Extension	Phantom Digital Video File
CIP File Extension	CryptoBuddy encrypted file
CIRCUIT File Extension	KTechlab Circuit Design File
CIT File Extension	Intergraph Bitmap Image File
CIV5SAVE File Extension	Civilization 5 Saved Gae
CKB File Extension	Cricket Audio Bank File
CKBX File Extension	Cricket Audio XML Bank Description File
CKD File Extension	CADKEY design file
CKF File Extension	Casio Keyboard File
CKP File Extension	Ingres Database Checkpoint data
CKT File Extension	CircuitMaker File
CL File Extension	Cursor Library
CL2 File Extension	HY-TEK Meet Results File
CL2ARC File Extension	Comic Life 2 Document Archive
CL2DOC File Extension	Comic Life 2 Document
CL2LYT File Extension	Comic Life 2 Layout File
CL2TPL File Extension	Comic Life 2 Template
CL4 File Extension	Easy CD Creator 4 Project File
CL5 File Extension	Easy CD Creator 5 Saved Project
CLARIFY File Extension	Clarify Document
CLASS File Extension	Java Class File
CLASSLIST File Extension	SMART Notebook Class List File
CLB File Extension	Super NoteTab ClipBook template file
CLD File Extension	Canon CD Label Template
CLEO File Extension	CLEO Grand Theft Auto Mod File
CLG File Extension	QIP list of ignored contacts file
CLIPS File Extension	Coda Clips File
CLIX File Extension	CLIX Command File
CLK File Extension	Corel R.A.V.E Project File
CLKK File Extension	Clicker Keyboard
CLKT File Extension	Clicker Template
CLKW File Extension	Clicker Word Bank
CLKX File Extension	Clicker Grid Set
CLM File Extension	MagicJack Call Log File
CLP File Extension	CrazyTalk Clip File
CLPI File Extension	Blu-ray Clip Information File
CLR File Extension	Flash Color Set
CLS File Extension	LaTeX Document Class File
CLT File Extension	Clarity Legal Transcript File
CLW File Extension	Visual C++ ClassWizard File
CLX File Extension	Standard Dictionary File
CM File Extension	CLEO Custom Mission
CM10 File Extension	CaseMap case file
CM2 File Extension	Poser Camera Set File
CMA File Extension	TM1 Exported Cube File
CMAP File Extension	CmapTools Concept Map File
CMBL File Extension	Logger Pro Data File
CMD File Extension	Windows Command File
CME File Extension	Crazy Machines level file
CMF File Extension	Creative Labs FM-synthesis music file
CML File Extension	Chemical Markup Language File
CMM File Extension	Corel Multimedia Manager Album
CMMP File Extension	Camtasia MenuMaker Project
CMMTHEME File Extension	CleanMyMac Theme File
CMMTPL File Extension	Camtasia MenuMaker Template
CMOD File Extension	Celestia Model
CMP File Extension	PKWare Compression Library archive file
CMPROJ File Extension	Camtasia Project File
CMREC File Extension	Camtasia Recording
CMS File Extension	CaseMap case script file
CMX File Extension	Corel Metafile Exchange Image File
CMZ File Extension	Compressed Poser Camera Set File
CN1 File Extension	CNR Modem Initialization Data File
CNA File Extension	Catena Project File
CNC File Extension	PartMaster CNC File
CND File Extension	Melco Condensed Embroidery File
CNDX File Extension	Avery DesignPro for Mac Label File
CNF File Extension	MySQL Configuration File
CNG File Extension	CryptoNG encrypted file
CNM File Extension	NoteMap outline file
CNS File Extension	Windows 2000 Client Connection Manager Export file
CNT File Extension	Help Contents File
CNV File Extension	Canvas 6-8 Drawing File
COB File Extension	COBOL Source Code File
COD File Extension	Compiled Source Code
CODAPLUGIN File Extension	Coda Plug-in
CODASITE File Extension	Coda Site File
COF File Extension	AutoDesk data file
COFFEE File Extension	CoffeeScript JavaScript File
COL File Extension	Capture One Session File
COLLECTION File Extension	Adobe Bridge Collection File
COLORPICKER File Extension	Color Picker Plugin
COLZ File Extension	Adobe Collage File
COM File Extension	DOS Command File
COMFYCAKESSAVE-MS File Extension	Comfy Cakes Saved Game
COMICDOC File Extension	Comic Life Document
COMMAND File Extension	Terminal Command File
COMPONENT File Extension	Mac OS X System Component
COMPOSITEFONT File Extension	Windows Composite Font File
COMPRESSED File Extension	WordCompress Compacted Web File
CON File Extension	Corel WordPerfect concordance file
CONF File Extension	Configuration information file
CONFIG File Extension	Configuration File
CONFIGPROFILE File Extension	Apple Configuration Profile
CONFORM File Extension	Conformalizer Change List File
CONTACT File Extension	Windows Contact File
CONTOUR File Extension	Contour Screenplay File
CONTROLS File Extension	OpenBVE Keyboard Shortcuts File
COPRESET File Extension	Capture One Preset File
COPY File Extension	Sony Ericsson Protected Content File
COR File Extension	CorelDRAW Drawing
COS File Extension	Capture One Settings File
COS2 File Extension	Pinnacle Studio Cache File
COSTYLE File Extension	Capture One Style File
COV File Extension	Fax Cover Page File
COX File Extension	Click & Create Extension
CP File Extension	Xcode C++ Source File
CP3 File Extension	Grand Prix 3 Cockpit Shape File
CP9 File Extension	ChoicePoint Encrypted File
CPA File Extension	Adobe Premiere conformed audio file
CPB File Extension	Comicino Studio Project File
CPBITMAP File Extension	iOS Wallpaper Image
CPC File Extension	CPC Compressed Image File
CPD File Extension	CorelDRAW Corel PrintOffice drawing file
CPE File Extension	Fax Cover Page File
CPF File Extension	Cognos Project File
CPG File Extension	Manga Studio Page File
CPGZ File Extension	Compressed CPIO Archive
CPH File Extension	Corel Print House File
CPI File Extension	AVCHD Video Clip Information File
CPIO File Extension	Unix CPIO Archive
CPK File Extension	DTM Test Log File
CPL File Extension	Windows Control Panel Item
CPMZ File Extension	Miradi/ConPro Project File
CPN File Extension	Age of Mythology Campaign File
CPP File Extension	C++ Source Code File
CPQ File Extension	Compaq OEM Disc Configuration File
CPR File Extension	Cubase Project
CPS File Extension	Corel Photo House File
CPT File Extension	Corel Photo-Paint Document
CPTL File Extension	Adobe Captivate Project Template File
CPTX File Extension	Adobe Captivate Project File
CPX File Extension	Oracle ADF Binding Context File
CPY File Extension	3ds Max Copy Track File
CR2 File Extension	Canon Raw Image File
CRAFT File Extension	KSP Spacecraft File
CRASH File Extension	Mac OS X Crash Log File
CRASHED File Extension	AbiWord Crash-Saved Document
CRC File Extension	Total Commander Checksum File
CRD File Extension	Windows CardSpace File
CRDOWNLOAD File Extension	Chrome Partially Downloaded File
CRDS File Extension	Windows CardSpace Backup File
CREV File Extension	Adobe Captivate Commentable SWF File
CRF File Extension	Enhanced Dark Engine game archive file
CRL File Extension	Certificate Revocation List File
CRS File Extension	Corel WordPerfect conversion resource file
CRT File Extension	Security Certificate
CRTR File Extension	MultiAd Creator Pro Document
CRTX File Extension	Office 2007 Chart Template File
CRV File Extension	CorelDRAW Corel PHOTO-PAINT 10 custom gradients file
CRW File Extension	Canon Raw CIFF Image File
CRWL File Extension	Windows Crawl File
CRX File Extension	Chrome Extension
CRY File Extension	CryENGINE Map File
CRYPTED File Extension	WinOptimizer Encrypted File
CRYPTRA File Extension	Cryptra Encrypted File
CRYSISJMSF File Extension	Crysis Saved Game
CRYSISPSF File Extension	Crysis Warhead Saved Game
CRZ File Extension	Compressed Poser Character Rigging File
CS File Extension	Visual C# Source Code File
CSA File Extension	PNA Code Calset File
CSAPLAN File Extension	SPSS Analysis Plan File
CSD File Extension	Compact Shared Document
CSF File Extension	Content Sealed Format
CSH File Extension	Photoshop Custom Shapes File
CSHTML File Extension	ASP.NET Razor Web Page
CSI File Extension	ContentServ Include File
CSKIN File Extension	CD Art Display Skin File
CSL File Extension	CineStyle Color Lookup File
CSM File Extension	Character Studio Marker File
CSN File Extension	Adobe Code Snippet Document
CSO File Extension	CISO compressed ISO file
CSP File Extension	CorelDRAW service bureau profiler file
CSPLAN File Extension	SPSS Sampling Plan File
CSPROJ File Extension	Visual Studio C# Project
CSR File Extension	Certificate Signing Request File
CSS File Extension	Cascading Style Sheet
CST File Extension	Manga Studio Story File
CSV File Extension	Comma Separated Values File
CSX File Extension	Visual C# Script
CSY File Extension	Canvas Symbol File
CT File Extension	IRIS CT image file
CTB File Extension	AutoCAD Color-Based Plot Style File
CTBODYFITTING File Extension	CrazyTalk Animator Actor Fitting File
CTF File Extension	AVG Update Control File
CTG File Extension	BMC Software PATROL file
CTL File Extension	Visual Basic UserControl Object File
CTM File Extension	CrazyTalk Model File
CTP File Extension	CakePHP Template
CTPROJECT File Extension	CrazyTalk Animator Project File
CTS File Extension	CrazyTalk Script File
CTT File Extension	Messenger Contact List
CTV File Extension	Citavi Project
CTV3 File Extension	Citavi 3 Project File
CTX File Extension	Valve ICE Encoded Script
CTXT File Extension	BlueJ Context File
CTY File Extension	SimCity City File
CU File Extension	CUDA Source Code File
CUB File Extension	Analysis Services Cube File
CUE File Extension	Cue Sheet File
CUI File Extension	Autodesk Custom Workspace File
CUIX File Extension	AutoCAD Custom User Interface File
CUL File Extension	Windows Cursor Library
CUR File Extension	Windows Cursor
CURSORFX File Extension	CursorFX Theme File
CURXPTHEME File Extension	CursorXP Theme File
CUS File Extension	AutoCAD Custom Dictionary File
CUT File Extension	Dr. Halo Bitmap Image File
CV5 File Extension	Canvas 5 Drawing File
CVA File Extension	HP Systems Software Manager Information File
CVC File Extension	cVideo
CVD File Extension	ClamAV Virus Definitions File
CVF File Extension	CPU-Z Validation File
CVG File Extension	Calamus Vector Graphic File
CVI File Extension	Canvas Image File
CVN File Extension	CineVision Encoding Session
CVR File Extension	Microsoft Crash Report File
CVS File Extension	Canvas 3 Drawing File
CVT File Extension	Canvas External Tool File
CVW File Extension	CaseView Document
CVX File Extension	Canvas Drawing File
CW File Extension	CardWorks Template
CWB File Extension	Cakewalk Bundle
CWF File Extension	CorelDRAW Workspace File
CWK File Extension	ClarisWorks Document
CWP File Extension	Cakewalk SONAR Project
CWS File Extension	Claris Works Template
CWT File Extension	ClarisWorks Texture File
CWW File Extension	Crossword Weaver Puzzle File
CWZ File Extension	Circuit Wizard File
CX3 File Extension	CMS Recorded Video File
CXD File Extension	SimplePCI Data Document
CXF File Extension	Picasa Collage File
CXP File Extension	CX-Programmer Project File
CXT File Extension	Director Protected Cast File
CXX File Extension	C++ Source Code File
CYBERDUCKLICENSE File Extension	Cyberduck Donation Key
CYBERDUCKPROFILE File Extension	Cyberduck Connection Profile
CYI File Extension	Clustify Input File
CYO File Extension	Clustify Output File
CYP File Extension	Home Designer Pro Project File
CYS File Extension	Cytoscape Session File
CYW File Extension	Rbot.CYW Worm File
CZD File Extension	CAD Zone Drawing
CZI File Extension	Carl Zeiss Image Data File
CZIP File Extension	ZipGenius CryptoZip File
CZP File Extension	ClozePro Archive