File Extensions - C
Below is a list of file extensions that begin with the letter C:
! | 0 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
C!_
A C!_ file is an Audio Utility Midimach Compressed file.
C#=
A C#= file is a C# file.
C++
A C++ file is a C++ Source Code file.
C--
A C-- file is a Sphinx C-- Source file.
C03
A C03 file is a WinAce Compressed file.
C04
A C04 file is a WinAce Compressed file.
C05
A C05 file is a WinAce Compressed file.
C06
A C06 file is a WinAce Compressed file.
C07
A C07 file is a WinAce Compressed file.
C09
A C09 file is a WinAce Compressed file.
C1
A C1 file is a Pov-ray for Windows v3.1 Scenes Advanced Newltpot file.
C10
A C10 file is a WinAce Compressed file.
C13
A C13 file is a Charlie Packer file.
C2
A C2 file is a Pov-ray for Windows v3.1 Scenes Advanced Newltpot file.
C2C
A C2C file is a CopyToDVD Project file.
C2D
A C2D file is a WinOnCD CD Image file.
C2E
A C2E file is a NJStar Chinese Word Processor Dictionary File Index file.
C2L
A C2L file is a Cequadrat WinonCD file.
C2X
A C2X file is a WinonCD file.
C3
A C3 file is a Pov-ray for Windows v3.1 Scenes Advanced Newltpot file.
C39
A C39 file is a Quicken Ace file.
C3E
A C3E file is a Cype file.
C3T
A C3T file is a Chem3D Chemical Template file.
C40
A C40 file is a Quicken Ace file.
C41
A C41 file is a Quicken Ace file.
C42
A C42 file is a Quicken Ace file.
C43
A C43 file is a Quicken Ace file.
C44
A C44 file is a Quicken Ace file.
C45
A C45 file is a Quicken Ace file.
C46
A C46 file is a Quicken Ace file.
C47
A C47 file is a Quicken Ace file.
C48
A C48 file is a Quicken Ace file.
C49
A C49 file is a Quicken Ace file.
C4F
A C4F file is a Clonk Round file.
C4G
A C4G file is a Clonk System file.
C4P
A C4P file is a Clonk Player file.
C4S
A C4S file is a Clonk Scenario file.
C4V
A C4V file is a Clonk Video file.
C50
A C50 file is a Quicken Ace file.
C51
A C51 file is a Quicken Ace file.
C52
A C52 file is a Quicken Ace file.
C53
A C53 file is a Quicken Ace file.
C54
A C54 file is a Quicken Ace file.
C55
A C55 file is a Quicken Ace file.
C56
A C56 file is a Quicken Ace file.
C6
A C6 file is an Ashlar-Vellum file.
C64
A C64 file is a Commodore 64 Game ROM file.
C86
A C86 file is a Computer Innovation C86 C Program file.
C_
A C_ file is a Winhelp Compressed file.
C__
A C__ file is a C++ Source; C__ is C++ in Win32 file.
C_M
A C_M file is an Eru/erd file.
CA0
A CA0 file is an Installer Packed and Split file.
CA3
A CA3 file is a Delphi Install Disk9 file.
CA5
A CA5 file is a Delphi Install Disk11 file.
CA_
A CA_ file is a Cakepro Compressed Audio file.
CACHE
A CACHE file is a Snacc-1.3 VDA file.
CAE
A CAE file is a Caditor Encrypted Document file.
CAI
A CAI file is a SeeYou Flight Data file.
CAJ
A CAJ file is a CAJViewer Full-text Database file.
CAK
A CAK file is a Sega FILM/CPK File Format file.
CALS
A CALS file is a CALS Raster file.
CAMP
A CAMP file is a Windows Color System Color Appearance Model Profile file.
CAMPROJ
A CAMPROJ file is a Camtasia Studio Project file.
CAMREC
A CAMREC file is a Camtasia Studio Recorder file.
CAMS
A CAMS file is a Driver file.
CAMTHTR
A CAMTHTR file is a Camtasia Studio Theater file.
CAPROJ
A CAPROJ file is a ChartAble Project file.
CAPS
A CAPS file is a Visimetrics Digital CCTV Recording file.
CARD
A CARD file is a Funkiball Adventure Auto-Saved Game file.
CAS4
A CAS4 file is a Cascade DTP Ver. 4 Layout file.
CASCII
A CASCII file is a CACTVS Chemical ASCII Format file.
CASE
A CASE file is an EnSight Results file.
CATALOG
A CATALOG file is a CATIA Catalog file.
CATANALYSIS
A CATANALYSIS file is a CATIA file.
CATDRAWING
A CATDRAWING file is a CATIA Drawing file.
CATFCT
A CATFCT file is a CATIA file.
CATMATERIAL
A CATMATERIAL file is a CATIA Material Specification file.
CATPART
A CATPART file is a CATIA Part Description file.
CATPROCESS
A CATPROCESS file is a CATIA Process Description file.
CATPRODUCT
A CATPRODUCT file is a CATIA Product Description file.
CATSHAPE
A CATSHAPE file is a CATIA Shape file.
CATSWL
A CATSWL file is a CATIA file.
CATSYSTEM
A CATSYSTEM file is a CATIA file.
CAZ
A CAZ file is a Computer Associates Archive file.
CB3
A CB3 file is a CliBench Mk III SMP 0.7.10 file.
CB4
A CB4 file is an Analytics Cube file.
CBC
A CBC file is a CubiCalc Fuzzy Logic System file.
CBCP
A CBCP file is a CodeBaby Production Studio Character Package file.
CBCX
A CBCX file is a Comic Book Creator Comic Book Save File Format file.
CBH
A CBH file is a ChessBase Chess Database file.
CBI
A CBI file is an IBM Mainframe Column Binary Formatted file.
CBIN
A CBIN file is a CACTVS Chemical Binary Format file.
CBMV
A CBMV file is a Comic Book Millennium Comic Book Collection file.
CBR
A CBR file is a CDisplay RAR Archived Comic Book file.
CBT
A CBT file is a Computer Based Training file.
CBTX
A CBTX file is a Comic Book Creator Comic Book Page Template file.
CBTZ
A CBTZ file is a Comic Book Creator Comic Book Page Template Container file.
CBU
A CBU file is a Conlab Update Information file.
CBV
A CBV file is a ChessBase Archive file.
CBW
A CBW file is a Cardbox Workspace file.
CBX
A CBX file is a Rational XDE file.
CBZ
A CBZ file is a CDisplay ZIP Archived Comic Book file.
CC3
A CC3 file is a CUEcards Professional Database file.
CC5
A CC5 file is a Calendar Creator 5.x 6.x file.
CC_
A CC_ file is an Audio Utility Midimach Compressed file.
CCAD
A CCAD file is a ClarisCAD data file.
CCB
A CCB file is a Visual Basic Animated Button Configuration file.
CCDOC
A CCDOC file is a Rational CCDoctor Output file.
CCE
A CCE file is a Calendar Creator 2 Event file.
CCI
A CCI file is a CCITT Group 3 and Group 4 Encoding file.
CCITT
A CCITT file is a CCITT Group 3 and Group 4 Encoding file.
CCJ
A CCJ file is a Crossword Compiler Compiled Crossword Applet file.
CCK
A CCK file is a Corel Clipart Format file.
CCPR
A CCPR file is a CaptureCAM-PRO file.
CCRF
A CCRF file is a Calcomp Raster Bitmap file.
CCV
A CCV file is a Crystal Vision Report file.
CCZ
A CCZ file is a Client-Course Manager Customized Report Distribution file.
CD1
A CD1 file is a Cafeteria Document System Data file.
CDAT
A CDAT file is an Internet Security and Acceleration file.
CDBK
A CDBK file is a SPSS Database file.
CDDA
A CDDA file is an AIFF Audio file.
CDDS
A CDDS file is a Midtown Madness 3 Data file.
CDJ
A CDJ file is a Disc Juggler file.
CDKEY
A CDKEY file is a MediaRemote Server Protocol file.
CDMP
A CDMP file is a Windows Color System Device Model Profile file.
CDN
A CDN file is a Click'N Design 3D CD Label file.
CDPRJ
A CDPRJ file is a CD Menu Creator Project file.
CDPX
A CDPX file is a ConceptDraw PROJECT Document file.
CDPZ
A CDPZ file is a ConceptDraw MINDMAP Document file.
CDQ
A CDQ file is a CD Indexer file.
CDRZIP
A CDRZIP file is a DICOM Zipped Image Archive file.
CDSG
A CDSG file is a DrawMusic Chord Song file.
CDU
A CDU file is a CDU Paint file.
CDV
A CDV file is a CatDV Media Catalog file.
CDXL
A CDXL file is an Old Amiga Movie Format file.
CDXML
A CDXML file is a ChemDraw XML ChemDraw Format file.
CDZ
A CDZ file is a ROM With a View Project file.
CE1
A CE1 file is a Computer Eyes Raw Low Resolution Image file.
CE2
A CE2 file is a Computer Eyes Raw Medium Resolution Image file.
CE3
A CE3 file is a Calendar Creator 3.x 4.x Event List file.
CEB
A CEB file is an Apabi eBook file.
CEC
A CEC file is a Colombia en Cifras Financial Archive file.
CEI
A CEI file is a CRiSP Harvest file.
CELX
A CELX file is a Celestia 3D Rendering Script file.
CEN
A CEN file is a Master Tracker Financial Analysis file.
CEO
A CEO file is an Extension associated with Winevar Worm file.
CEP
A CEP file is a CostOS Estimating Project Database file.
CES
A CES file is a Sheffield Dictionary file.
CF1
A CF1 file is a Common File Format 1 file.
CF2
A CF2 file is a Common File Format 2 file.
CF4
A CF4 file is a Catfish Manager Support file.
CFC
A CFC file is a Cold Fusion file.
CFD
A CFD file is a CryptoForge Document file.
CFDG
A CFDG file is a Context Free Design Grammar file.
CFE
A CFE file is a CryptoForge Encrypted file.
CFH
A CFH file is a Capabilities File for FOUNDATION Fieldbus HSE file.
CFI
A CFI file is a CleverForm Script file.
CFM
A CFM file is a Cold Fusion Markup file.
CFML
A CFML file is a Cold Fusion Markup Language file.
CFN
A CFN file is a Calamus Font Data file.
CFP
A CFP file is a Complete Fax Portable Fax file.
CFW
A CFW file is a ChemFinder Form file.
CGB
A CGB file is a Gameboy Color file.
CGI
A CGI file is a Common Gateway Interface Script file.
CGL
A CGL file is a CodeGuard Error Log file.
CGO
A CGO file is a Railroad Tycoon 3 Car Properties file.
CGT
A CGT file is a GOLD Parsing System Table file.
CH3
A CH3 file is a Harvard Graphics Chart file.
CH4
A CH4 file is a Charisma 4.0 Presentation file.
CHA
A CHA file is an Adobe Photoshop Channel Mixer file.
CHANGES
A CHANGES file is a Squeak Change file.
CHAT
A CHAT file is a PIRCH98 Chat file.
CHATLOG
A CHATLOG file is an Adium Chat Log file.
CHB
A CHB file is an Oledb Checkbook file.
CHE
A CHE file is a CHwinEHE Control Data file.
CHEAT
A CHEAT file is a The Sims Custom Settings file.
CHF
A CHF file is a pcAnywhere Remote Control file.
CHG
A CHG file is a Quicken On-line Data file.
CHH
A CHH file is a C++ Header file.
CHJ
A CHJ file is a Help Composer Project file.
CHN
A CHN file is an Ethnograph Data file.
CHOPRO
A CHOPRO file is a Chord Pro Song Format file.
CHQ
A CHQ file is a Help Combined Full-text Search file.
CHU
A CHU file is an Infinity Game Engine GUI Elements file.
CHW
A CHW file is an HTML Help General Index Funtionally comparable to .GID. file.
CHX
A CHX file is a ZX-Editor Second Edition Big Font file.
CHZ
A CHZ file is a ChArc Compressed File Archive file.
CI
A CI file is a CitectSCADA file.
CI2
A CI2 file is a Calin Lawyer's Interest Calculator Ver 2 Data file.
CI3
A CI3 file is a Calin Lawyer's Interest Calculator Data file.
CIA
A CIA file is a Sheffield Dictionary file.
CIDA
A CIDA file is an Xplorer Scrap File Document file.
CIG
A CIG file is a Fastback Plus Compressed Backup file.
CIN
A CIN file is a Kodak Cineon Image file.
CIN96LM
A CIN96LM file is a See .CIN file.
CIN96UPD
A CIN96UPD file is a See .CIN file.
CIPO
A CIPO file is an Internet Same as .CPI. file.
CIQ
A CIQ file is a CableIQ Test Data file.
CIV
A CIV file is an Empire Earth Custom Civilization Information file.
CJB
A CJB file is a Cleaner XL Job file.
CJP
A CJP file is a WinOnCD Project file.
CK1
A CK1 file is an iD/Apogee Commander Keen 1 Data file.
CKA
A CKA file is a Comfort Keys Database file.
CKB
A CKB file is a C++ Keyboard Mapping file.
CKF
A CKF file is a Music Data Management Software Casio Keyboard file.
CKI
A CKI file is an Off by One Browser Persistent HTTP Cookies file.
CKO
A CKO file is a KnockOut 2 Image Mask file.
CKV
A CKV file is a CheckVision Database file.
CL4
A CL4 file is an Easy CD Creator Version 4 Layout file.
CL5
A CL5 file is an Easy CD Creator Version 5 Layout file.
CL_
A CL_ file is a C Poet compressed Disk1 file.
CLBX
A CLBX file is a MP3 Automagic CD Cover Creator file.
CLDLYR
A CLDLYR file is a Terragen Cloud Layer file.
CLE
A CLE file is an Icon Lock-iT Locked File Indicator file.
CLI
A CLI file is a Client Management System Customer file.
CLKK
A CLKK file is a Clicker Keyboard file.
CLKT
A CLKT file is a Clicker Template file.
CLKW
A CLKW file is a Clicker Word Bank file.
CLKX
A CLKX file is a Clicker Grid Set file.
CLM
A CLM file is a Micrografx Picture Publisher 7 Macro file.
CLMOV
A CLMOV file is a Clan Lord Movie - Visiostone file.
CLN
A CLN file is a Backup Configuration file.
CLOE
A CLOE file is a Cloe Ray-Tracer file.
CLOG
A CLOG file is a SpreadMaster Client Log file.
CLPI
A CLPI file is a Blu-ray Clip AV Stream file.
CLT
A CLT file is a VisualBoyAdvance Cheat List file.
CM1
A CM1 file is a CaseMap Version 1.x Case Analysis file.
CM3
A CM3 file is a CaseMap Version 3.x Case Analysis file.
CM5
A CM5 file is a CaseMap Version 5.x Case Analysis file.
CM6
A CM6 file is a CaseMap Version 6.x Case Analysis file.
CM7
A CM7 file is a CaseMap Version 7.x Case Analysis file.
CMAP
A CMAP file is a CmapTools Concept Map file.
CMBL
A CMBL file is a Logger Pro Data file.
CMD5
A CMD5 file is a CrystalMaker Data file.
CMDF
A CMDF file is a CrystalMaker Data file.
CME
A CME file is a Crazy Machines Level file.
CMK
A CMK file is a Card Shop Plus file.
CMM
A CMM file is a CEnvi file.
CMMF
A CMMF file is a CrystalMaker Data file.
CMMP
A CMMP file is a Camtasia Studio Menu Maker Project file.
CMMTPL
A CMMTPL file is a Camtasia Studio Menu Maker Template file.
CMN
A CMN file is a Systems Management Server file.
CMPRB
A CMPRB file is a CaseMap ReportBook Plug-in file.
CMPROJ
A CMPROJ file is a Channel Master Project file.
CMQ
A CMQ file is a Culturemetrics file.
CMRBK
A CMRBK file is a CaseMap ReportBook Definition file.
CMRT
A CMRT file is a CraftMan Data file.
CMTD
A CMTD file is a Cool Moon To Do To Do List file.
CMUWM
A CMUWM file is a Carnegie Mellon University file.
CMV
A CMV file is a CorelDRAW 4.0 Movie Animation file.
CMXA
A CMXA file is a Camomile Packed Library file.
CMY
A CMY file is a Corel40 Custom file.
CMYK
A CMYK file is a Raw Cyan, Magenta, Yellow, and Black Sample file.
CN
A CN file is a CNwin Project Data file.
CN_
A CN_ file is a Regeditx file.
CNB
A CNB file is a Pegasus Mail Mail Message in Noticeboard file.
CNC3REPLAY
A CNC3REPLAY file is a Command & Conquer 3 Replay file.
CNDF
A CNDF file is a Compressed Channel Data File Contains data about satellite TV channels. file.
CNREG
A CNREG file is an EULANDA Warenwirtschaft file.
CNREP
A CNREP file is an EULANDA ERP System Report Template file.
CNS
A CNS file is a Windows2000 Client Connection Manager Export file.
CNX
A CNX file is a Rational XDE file.
CO
A CO file is a Cult3D ActiveX Player Application file.
CO$
A CO$ file is a MS Compressed COM file.
CODE
A CODE file is a Graal and Related Servers Encrypted Cache file.
CODEC
A CODEC file is a Rockbox CODEC file.
COF
A COF file is a Days Of Death Program/Media Saved Information file.
COK
A COK file is a Carmageddon Patch file.
COLA
A COLA file is a Cola Source Code file.
COLLECTION
A COLLECTION file is an Adobe Bridge Collection file.
COLOR
A COLOR file is an Amaya Configuration file.
COMMANDLINE
A COMMANDLINE file is a Commandline Powertoy file.
COMMON
A COMMON file is a MATLAB Install file.
COMPANY
A COMPANY file is a Chris Sawyer’s Locomotion Company Owner Face file.
COMPAT
A COMPAT file is a Likely a Text file.
CONSOLE
A CONSOLE file is a WinNT Console file.
CONTACT
A CONTACT file is a Windows Vista or Windows 7 Contact file.
CONTROL
A CONTROL file is an Hydrologic Modeling System file.
CONV
A CONV file is a Stylus Studio Data Conversion Template file.
COOL
A COOL file is a QB Text Analyzer Archive file.
COP
A COP file is a Tree Professional Conifer Creator Image file.
CORE
A CORE file is a Core Software Tech CORE IDC Bitmap file.
CORELPROJECT
A CORELPROJECT file is a Photo Album Project file.
CORELSHOW
A CORELSHOW file is a MediaOne Enhanced Slideshow file.
CORRECTION
A CORRECTION file is an As-U-Type Correction file.
COT
A COT file is an Intergraph Raster Graphic file.
COUNT
A COUNT file is a Gen Counters file.
COUNTER
A COUNTER file is a Netobjects Fusion Components Bbscomp Message file.
COV
A COV file is a Fax Cover Page file.
COX
A COX file is a Multimedia Fusion Plug-In file.
CP1
A CP1 file is a Compel Show Ver 1 Presentation file.
CP2
A CP2 file is a Compel Show Ver 2 Presentation file.
CP8
A CP8 file is a CP8 256 Gray Scale Image file.
CPAN
A CPAN file is a Tucows Info file.
CPAO
A CPAO file is a 3dize Cool Page Objects Counter file.
CPC
A CPC file is a Cartesian Products Compressed Internet Document file.
CPE
A CPE file is a Fax Cover Sheet file.
CPG
A CPG file is a 3dize Cool Page File Tutorial file.
CPGZ
A CPGZ file is a Compressed UNIX CPIO Archive file.
CPH
A CPH file is a Print House Image file.
CPIO
A CPIO file is a UNIX CPIO Archive file.
CPK
A CPK file is a Sega FILM/CPK File Format file.
CPO
A CPO file is a Corel Print House file.
CPQ
A CPQ file is an Exam Essentials Exam file.
CPT6
A CPT6 file is a Corel Photo-Paint Image file.
CPTHEME
A CPTHEME file is a cPanel Theme Package file.
CPU
A CPU file is a Sysoft Sandra file.
CQ
A CQ file is a CP/M SYSGEN Replacement file.
CQL
A CQL file is an XDCC Catcher Saved Queue List file.
CQQ
A CQQ file is a Cool Quiz file.
CQS
A CQS file is a CADfix Quality Standard file.
CQZ
A CQZ file is a Cool Quiz file.
CR$
A CR$ file is a BASIC VB Kartei file.
CR2
A CR2 file is a Canon Raw Image file.
CR4
A CR4 file is a STABCAL file.
CR5
A CR5 file is a Tripod Data Systmes Survey Pro Coordinate file.
CR7
A CR7 file is a STABCAL file.
CRAM
A CRAM file is a Compressed ROM Filesystem file.
CRASH
A CRASH file is an OS X Crash Reporter Crash Report file.
CRB
A CRB file is a BigOven Recipe Database file.
CREG
A CREG file is a CrazayReg Database file.
CRG
A CRG file is a Calamus Graphic file.
CRK
A CRK file is a Crack file.
CRL
A CRL file is a Certificate Revocation List file.
CRLD
A CRLD file is a Clicker Crick Resource Library Data file.
CRO
A CRO file is a Webalizer.01 Lang file.
CRU
A CRU file is a CRUSH Compressed Archive file.
CRW
A CRW file is a Canon Raw CIFF Image file.
CRX
A CRX file might be a Google Chrome Browser Extension Archive file or a Links Games Course file.
CRYPTOMITE
A CRYPTOMITE file is a CryptoMite Encrypted Archive file.
CRYPTX
A CRYPTX file is a Cryptx Encrypted file.
CS-CNF
A CS-CNF file is a Currency Server Software Configuration file.
CS1
A CS1 file is a CaptureShop 1-Shot Image file.
CS3
A CS3 file is a Casio WK-1800 Keyboard Output file.
CS4
A CS4 file is a CaptureShop 4-Shot Image file.
CS_
A CS_ file is a Creativ Compressed Sb16 Sbide file.
CSFDB
A CSFDB file is an Open CASCADE 3D Model file.
CSG
A CSG file is a Statistica Graph file.
CSH
A CSH file is an Adobe Photoshop Custom Shapes file.
CSHRC
A CSHRC file is a UNIX C Shell Environment file.
CSI
A CSI file is a Cyberautograph Signed Item file.
CSLM
A CSLM file is a Zeiss CSLM Bitmap file.
CSML
A CSML file is a Chemical Style Markup Language file.
CSO
A CSO file is a CISO Compressed ISO CD Image file.
CSPROJ
A CSPROJ file is a Visual Studio .NET C# Project file.
CSQ
A CSQ file is a Foxpro Query file.
CSR
A CSR file is a Certificate Signing Request file.
CSS1
A CSS1 file is a Cascading Style Sheet See .CSS. file.
CSVENX
A CSVENX file is an Egis Encrypted CSV file.
CSX
A CSX file is a Visual C#.NET Primary Script file.
CSY
A CSY file is an EPOC Polymorphic DLL file.
CT4
A CT4 file is a CaseMap Version 4.x Case Analysis Template file.
CT5
A CT5 file is a CaseMap Version 5.x Case Analysis Template file.
CT6
A CT6 file is a CaseMap Version 6.x Case Analysis Template file.
CT7
A CT7 file is a CaseMap Version 7.x Case Analysis Template file.
CTAB
A CTAB file is a CACTVS Chemical Table Format file.
CTE
A CTE file is a Classical Text Editor Document file.
CTFSYS
A CTFSYS file is an OS X Mach Kernel System file.
CTI
A CTI file is a Collectorz.com Template Info file.
CTK
A CTK file is a mSuite License file.
CTN
A CTN file is a CADTERNS Sloper file.
CTV
A CTV file is a Citavi Project file.
CTW
A CTW file is a Context Tree Weighting Compressed file.
CTZ
A CTZ file is a Custody Toolbox Compressed Backup file.
CU1
A CU1 file is a Photoline4 Curves Curve file.
CU3
A CU3 file is a Photoline4 Curves Clut file.
CU_
A CU_ file is a Winhelp Compressed file.
CUBI
A CUBI file is a Cubicomp PictureMaker Bitmap file.
CUC
A CUC file is a SeeYou Contest file.
CUF
A CUF file is a Turbo C Utilities Form Definition file.
CUR
A CUR file is a Windows Cursor file.
CUREXSCHEME
A CUREXSCHEME file is a CursorXP Theme file.
CURL
A CURL file is a URL Links Curl file.
CURSOR
A CURSOR file is a Sun Icon/Cursor file.
CURV
A CURV file is a Genetica Mathematical Curve file.
CURXPTHEME
A CURXPTHEME file is a CursorXP Theme file.
CUSTOM
A CUSTOM file is a Personal Paint Custom Language User Interface file.
CUTLIST
A CUTLIST file is an Asfbin Assistant Cut Data file.
CUZ
A CUZ file is a CropWalker file.
CV
A CV file might be an MS CodeView file but could be a Corel Versions file.
CV3
A CV3 file is a Civilization III Game High Score file.
CV4
A CV4 file is a CodeView Colors file.
CVA
A CVA file is a Compaq Diagnostics file.
CVB
A CVB file is a Borland BDE file.
CVIP
A CVIP file is a CVIPlab file.
CVJ
A CVJ file is a Cabinet Vision Solid Job Document file.
CVN
A CVN file is a Yamaha Custom Voices file.
CVQ
A CVQ file is a Coastal Vector List Compressed Format file.
CVSAUTO
A CVSAUTO file is a Call Management System file.
CVSIGNORE
A CVSIGNORE file is a Snort file.
CVX
A CVX file is a Canvas Versions 6, 7, 8, 9 Graphic file.
CW
A CW file is a CodeWallet Pro Secure Database file.
CW6
A CW6 file is a COMPRESS Windows Version Pressure Vessel Data file.
CW_
A CW_ file is a Corel Graphics Ver. 10 Workspace file.
CWB
A CWB file is a WebNote Document file.
CWC
A CWC file is a CADfix Wizard Configuration file.
CWDOC
A CWDOC file is a CopyWrite Project Document file.
CWE
A CWE file is a Crossword Express file.
CWEB
A CWEB file is a C Web file.
CWF
A CWF file is a CodeWatch for Windows Workspace file.
CWG
A CWG file is a Castle of the Winds Saved Game file.
CWL
A CWL file is a ClarisWorks Library file.
CWP
A CWP file is a Cakewalk SONAR Audio Project file.
CWPB
A CWPB file is a CopyWrite Project Binder file.
CWW
A CWW file is a Crossword Weaver file.
CWZ
A CWZ file is a Crossword Forge file.
CX
A CX file is a CodeMapper Script file.
CX3
A CX3 file is a CLICK.EXE 3.0 Script file.
CX_
A CX_ file is a C Poet Compressed Disk1 file.
CXC
A CXC file is a Custody X Change Data file.
CXD
A CXD file is a SimplePCI Combined Graphics and Data file.
CXE
A CXE file is a Common XML Envelope file.
CXF
A CXF file is a Chemical Abstracts Exchange Format file.
CXH
A CXH file is a Custody X Change Data file.
CXI
A CXI file is a COMPAxiON Compressed file.
CXO
A CXO file is a CXInsight Export file.
CXS
A CXS file is a ConciseXML Format file.
CY
A CY file is a CCS-lib.2 JPEG-v4 file.
CYA
A CYA file is a Cyan Color Separation file.
CYC
A CYC file is a CYCAS Design Project file.
CYG
A CYG file is a Pollux Data file.
CYI
A CYI file is a Clustify Input file.
CYL
A CYL file is a Ribbons Molecular Cylinder file.
CYM
A CYM file is a Callus Game Sound file.
CYN
A CYN file is a Cynex Root55 Program Extension file.
CYO
A CYO file is a Clustify Output File Containing Cluster ID file.
CYS
A CYS file is a Clustify Clustering Summary file.
CYT
A CYT file is a Crocodile Technology Simulation file.
CZD
A CZD file is a The Crash Zone Drawing file.
CZIP
A CZIP file is a ZipGenius Compressed Archive file.
CZP
A CZP file is a Cloze Pro Archive file.
C~G
A C~G file is a Windows 3.x System file.