| File extension | The full name of the file |
|---|---|
| File extension C | C/C++main Source Code File Format |
| File extension C# | Microsoft Visual C# |
| File extension C++ | C++ Source Code |
| File extension C-- | Sphinx C-- Language Source Code |
| File extension C-MAP | C-map |
| File extension C00 | Split Multi-volume ACE Compressed File Archive |
| File extension C01 | Split Multi-volume ACE Compressed File Archive |
| File extension C02 | Split Multi-volume ACE Compressed File Archive |
| File extension C03 | Split Multi-volume ACE Compressed File Archive |
| File extension C04 | Split Multi-volume ACE Compressed File Archive |
| File extension C05 | Split Multi-volume ACE Compressed File Archive |
| File extension C06 | Split Multi-volume ACE Compressed File Archive |
| File extension C07 | Split Multi-volume ACE Compressed File Archive |
| File extension C08 | Split Multi-volume ACE Compressed File Archive |
| File extension C09 | Split Multi-volume ACE Compressed File Archive |
| File extension C1 | Pov-Ray For Windows 3.x Scenes Advanced Newltpot |
| File extension C10 | Split Multi-volume ACE Compressed File Archive |
| File extension C11 | CARE-S InfoWorks User Defined Pollutant Detail |
| File extension C16 | C16 Creatures 3/Docking Station Image |
| File extension C18 | Dassault Systemes Catia V4 Sequential |
| File extension C1S | Photo Cache |
| File extension C2 | Pov-Ray For Windows 3.x Scenes Advanced Newltpot |
| File extension C21 | CARE-S InfoWorks Defined Pollutant Detail |
| File extension C24 | Drive Image Ace |
| File extension C2C | CopyToDVD Project |
| File extension C2D | WinOnCD Image Format |
| File extension C2E | Chinese Dictionary Index |
| File extension C2K | Microsoft Project Holidays |
| File extension C2R | Microsoft Windows Media Center Click-to-record Format |
| File extension C2U | Texas Instruments CBL 2 Format |
| File extension C2V | WellSight Systems License Information |
| File extension C2W | WaterCAD |
| File extension C2X | WinOnCD |
| File extension C3 | Pov-Ray For Windows 3.1 Scenes Advanced Newltpot |
| File extension C32 | Split Multi-volume ACE Compressed File Archive |
| File extension C39 | Split Multi-volume ACE Compressed File Archive |
| File extension C3D | Coordinate 3D Format |
| File extension C3D1 | Chem3D Cartesian 1 Chemical Modeller |
| File extension C3D2 | Chem3D Cartesian 2 Chemical Modeller |
| File extension C3E | CYPE Related |
| File extension C3T | Chemical Template |
| File extension C3XML | Chem3D XML Format |
| File extension C3Z | OpenQwaq 3D Model Format |
| File extension C4 | JEDMICS Bitmap Image Format |
| File extension C40 | Split Multi-volume ACE Compressed File Archive |
| File extension C41 | Split Multi-volume ACE Compressed File Archive |
| File extension C42 | Split Multi-volume ACE Compressed File Archive |
| File extension C43 | Split Multi-volume ACE Compressed File Archive |
| File extension C44 | Split Multi-volume ACE Compressed File Archive |
| File extension C45 | Split Multi-volume ACE Compressed File Archive |
| File extension C46 | Split Multi-volume ACE Compressed File Archive |
| File extension C47 | Split Multi-volume ACE Compressed File Archive |
| File extension C48 | Split Multi-volume ACE Compressed File Archive |
| File extension C49 | Split Multi-volume ACE Compressed File Archive |
| File extension C4D | CINEMA 4D File Format |
| File extension C4DUPDATE | Cinema 4D Update |
| File extension C4F | Clonk Game Round |
| File extension C4G | Clonk Game System |
| File extension C4K | Clonk Key Format |
| File extension C4P | CrossOver Software Installer Format |
| File extension C4S | Clonk Game Scenario |
| File extension C4U | OpenClonk Update System |
| File extension C4V | Clonk Game Video |
| File extension C50 | Split Multi-volume ACE Compressed File Archive |
| File extension C51 | Split Multi-volume ACE Compressed File Archive |
| File extension C52 | Split Multi-volume ACE Compressed File Archive |
| File extension C53 | Split Multi-volume ACE Compressed File Archive |
| File extension C54 | Split Multi-volume ACE Compressed File Archive |
| File extension C55 | Split Multi-volume ACE Compressed File Archive |
| File extension C6 | Organic 2D/3D Drafting & 3D Modelling |
| File extension C64 | Commodore 64 ROM Image |
| File extension C85 | RISC OS JPEG Bitmap Image |
| File extension CA | Telnet Server Initial Cache Data Format |
| File extension CA1 | Delphi Install Disk |
| File extension CA2 | Delphi Install Disk12 |
| File extension CA4 | Delphi Installation |
| File extension CA5 | Delphi Installation |
| File extension CAA | CleanApp Archive Format |
| File extension CAB | Windows Cabinet Compressed Archive |
| File extension CABAL | Haskell Cabal |
| File extension CAC | DBASE IV Executable |
| File extension CACHE | Generally Cache Format |
| File extension CACHE-2 | VLC Media Player Font Cache |
| File extension CACHE-3 | VLC Media Player Font Cache |
| File extension CACHE2 | Pro/ENGINEER |
| File extension CACTION | Apple Mac OS X Automator Conversion Action Format |
| File extension CAD | CAD Drawing Format |
| File extension CADC | Corpatla Baudadministration Data Format |
| File extension CADRG | Compressed ARC Raster Graphic |
| File extension CAE | Abaqus CAE Model |
| File extension CAF | Apple Core Audio Format |
| File extension CAFF | Apple Core Audio Format |
| File extension CAG | Microsoft Clip Gallery Catalog Format |
| File extension CAH | Ulead Photo Explorer Thumbnail Cache |
| File extension CAI | SeeYou Flight Data |
| File extension CAJ | China Academic Journals Full-text Database |
| File extension CAKEWALKWINDOWLAYOUT | Cakewalk Window Layout |
| File extension CAL | CALS Raster Image Format |
| File extension CALB | Coolect Album Format |
| File extension CALIBRE | Calibre Device Data Format |
| File extension CALIBZ | Chief Architect Symbol |
| File extension CALS | CALS Raster Group 1 Image Format |
| File extension CALX | Calendar Printing Assistant Template |
| File extension CAM | Casio QV Digital CAMera Image Format |
| File extension CAMM | Espresso Mind Map Mind Map Format |
| File extension CAMP | WCS CAMP |
| File extension CAMPROJ | Camtasia Studio Project Format |
| File extension CAMREC | Camtasia Studio Recorder Format |
| File extension CAMTHTR | Camtasia Studio Theater |
| File extension CAMV | Camtasia Screencast Video Format |
| File extension CAN | Canon Navigator Fax Format |
| File extension CANF | CanOpener |
| File extension CANIM | Shank Game |
| File extension CANNEDSEARCH | Apple Mac OS X Finder Predefined Search |
| File extension CAOS | CanOpener Preference |
| File extension CAP | PacketView Pro Packet Trace Data Format |
| File extension CAPFILE | Ruby Capistrano Instruction |
| File extension CAPROJ | Construct Game Project Format |
| File extension CAPS | CaptureSaver |
| File extension CAPX | Construct Game Project Archive Format |
| File extension CAR | Biosym Chemical Modeller Input Format |
| File extension CARB | Apple Mac OS X Carbon Package |
| File extension CARC | Nintendo DS Compressed Archive Format |
| File extension CARD | Funkiball Adventure |
| File extension CARO | Adobe Acrobat Creatorcode |
| File extension CAS | Autodesk AutoCAD License Format |
| File extension CASCII | CACTVS Chemical ASCII Format |
| File extension CASE | SlipCover For Mac Template Format |
| File extension CAT | Microsoft Security Catalog Format |
| File extension CAT4D | Cinema 4D Catalog |
| File extension CATALOG | CATIA Catalog |
| File extension CATANALYSIS | CATIA Analysis |
| File extension CATDRAWING | CATIA Drawing |
| File extension CATFCT | CATIA CATfct |
| File extension CATKNOWLEDGE | CATIA CATKnowledge |
| File extension CATMATERIAL | CATIA CATMaterial |
| File extension CATOM | Chief Architect Catalogue |
| File extension CATPART | CATIA Part Format |
| File extension CATPREFERENCES | CATIA Preferences |
| File extension CATPROCESS | CATIA Process |
| File extension CATPRODUCT | CATIA Product Format |
| File extension CATRASTER | CATIA Raster |
| File extension CATRESOURCE | CATIA Resource |
| File extension CATSETTINGS | CATIA Settings |
| File extension CATSHAPE | CATIA Shape |
| File extension CATSWL | CATIA CATSwl |
| File extension CATSYSTEM | CATIA Functional Systems |
| File extension CAV | Comodo Virus Definitions Format |
| File extension CAWR | Espresso Workreport Format |
| File extension CAX | VCollab 3D Model |
| File extension CB | Microsoft Clean Boot |
| File extension CB1 | CARE-S InfoWorks Biochemical Oxygen Detail |
| File extension CB4 | Actuate Analytics |
| File extension CB7 | CDisplay 7-Zip Comic Book Format |
| File extension CBA | CDisplay ACE Comic Book Format |
| File extension CBB | ChessBase Search Booster |
| File extension CBC | Comic Book Collection |
| File extension CBCP | CodeBaby Production Studio Character Package |
| File extension CBD | Corel WordPerfect Dictionary |
| File extension CBDS | Comic Book DS Format |
| File extension CBF | ChessBase Game Information Format |
| File extension CBG | CyberGauge Data Format |
| File extension CBH | ChessBase Chess Database Format |
| File extension CBK | Backup Configuration Format |
| File extension CBL | Cobol Language Source Code Format |
| File extension CBM | Bitmap Image Format |
| File extension CBMV | Comic Book Millennium Collection |
| File extension CBN | PaperMaster Cabinet |
| File extension CBO | Microsoft Interactive Training |
| File extension CBP | Code::Blocks Project Format |
| File extension CBPLUGIN | Code::Blocks Plugin |
| File extension CBPROJ | C++ Builder Project |
| File extension CBQ | StarOS Script |
| File extension CBR | Comic Book Archive Format Or ComicBook Reader Format |
| File extension CBS | Comodo Backup Script Format |
| File extension CBT | CDisplay TAR Comic Book Format |
| File extension CBU | Comodo Backup Backup Format |
| File extension CBV | ChessBase Archive Format |
| File extension CBW | ComicRack Webcomics |
| File extension CBX | Rational XDE |
| File extension CBXML | CodeBox XML Library |
| File extension CBZ | Comic Book Archive Format Or ComicBook Reader Format |
| File extension CC | C++ Language Source Code Format |
| File extension CC1 | Briggs Softworks Calendar Commander |
| File extension CCA | CC: MAil Data Format |
| File extension CCB | Visual Basic Animated Button Configuration |
| File extension CCBJS | CopperCube JavaScript Scene |
| File extension CCC | Microsoft Internet Chat Conversation Log |
| File extension CCD | CloneCD Track Description Format |
| File extension CCE | Calendar Creator 2 Event |
| File extension CCF | CryptLoad Container Format |
| File extension CCGAME | Microsoft XNA Game Studio Game Package Format |
| File extension CCH | Photomodeler Photochip Thumbnail Format |
| File extension CCIP | Curse Client 4 Addon Download Protocol Format |
| File extension CCJ | Crossword Compiler Compiled Crossword Applet |
| File extension CCK | Corel Clipart |
| File extension CCL | CCTools Levelset |
| File extension CCM | Multimedia Fusion Custom Menu |
| File extension CCN | Multimedia Fusion Development Format |
| File extension CCO | Apple Cocoa |
| File extension CCP | CloneCD Profiles Format |
| File extension CCR | HealthFrame ASTM Continuity Of Care Record Format |
| File extension CCRF | Calcomp Raster Bitmap Image |
| File extension CCS | TrialDirector Clip Script Format |
| File extension CCSCC | ClearCase Source Control Info Format |
| File extension CCT | Macromedia (Adobe) Director Shockwave Cast Format |
| File extension CCW | Crossword Compiler Saved Puzzle |
| File extension CCWSLN | Connected Components Workbench |
| File extension CCX | Click & Create Extension |
| File extension CCXML | Call Control EXtensible Markup Language |
| File extension CD | ClassDiagram Format |
| File extension CD2 | DATAIR Cafeteria Document System Custom Text |
| File extension CD5 | Chasys Draw Image |
| File extension CDA | CD Audio Track |
| File extension CDATA | Command & Conquer 3 Audio |
| File extension CDB | Windows Mobile Pocket Access Database Format |
| File extension CDC | Autodesk AutoCAD DesignCenter Preview Cache Format |
| File extension CDD | ConceptDraw Drawing Diagram Format |
| File extension CDDA | Apple ITunes AIFF Audio Format |
| File extension CDDX | Circuit Diagram Diagram Format |
| File extension CDE | CADKEY Dynamic Extension |
| File extension CDEM | CompeGPS Land Landscape |
| File extension CDF | Cyberspace Description Format |
| File extension CDF-MS | ClickOnce Deployment Binary Manifest Format |
| File extension CDFX | Cindex |
| File extension CDG | DART Karaoke Studio Lyrics Format |
| File extension CDI | DiscJuggler Image Format |
| File extension CDJ | DiscJuggler CD-ROM Data |
| File extension CDK | Calamus SL Document |
| File extension CDL | CADKey CAD Language Format |
| File extension CDLX | Adobe Audition Audio CD Project Format |
| File extension CDM | NTI CD&DVD-Maker Image Format |
| File extension CDMEDIA | Boxer For Mac Cd-rom |
| File extension CDMM | ConceptDraw MINDMAP Document |
| File extension CDMP | WCS CDMP |
| File extension CDMT | ConceptDraw MINDMAP Template |
| File extension CDMTZ | Compressed ConceptDraw MINDMAP Template |
| File extension CDMZ | ConceptDraw MINDMAP Compressed Document Format |
| File extension CDO | Crescendo Music Score Format |
| File extension CDOC | DigiDoc Client Container |
| File extension CDP | Trainz Simulator Content Dispatcher Pack Format |
| File extension CDP2 | Trainz Classics Content Dispatcher Pack 2 Format |
| File extension CDPX | ConceptDraw PROJECT XML Format |
| File extension CDPZ | ConceptDraw PROJECT Document |
| File extension CDR | CorelDRAW Vector Or Bitmap Format |
| File extension CDR3 | CorelDRAW 3 For Mac Vector Or Bitmap Image |
| File extension CDR4 | CorelDRAW 4 For Mac Vector Or Bitmap Image |
| File extension CDR5 | CorelDRAW 5 For Mac Vector Or Bitmap Image |
| File extension CDR6 | CorelDRAW 6 For Mac Vector Or Bitmap Image |
| File extension CDRW | CorelDRAW For Mac |
| File extension CDRX | Bosch Crash Data Retrieval Data Format |
| File extension CDRZIP | DICOM Compressed Image |
| File extension CDS | ChemDraw Stationery Document |
| File extension CDSG | DrawMusic Chord Song |
| File extension CDT | CorelDRAW Template Format |
| File extension CDT6 | CorelDRAW 6 For Mac Template |
| File extension CDT_ | CorelDRAW For Mac Template |
| File extension CDU | CDU Paint Image Format |
| File extension CDV | CatDV Catalog |
| File extension CDW | KOMPAS CAD Drawing Format |
| File extension CDX | CorelDRAW Compressed Drawing Format |
| File extension CDXML | ChemDraw XML Format |
| File extension CDZ | ROM With A View Project Format |
| File extension CE | Digital Vision ComputerEyes IFF Bitmap Format |
| File extension CE0 | Winewar Worm |
| File extension CE1 | Computer Eyes Raw Image Format |
| File extension CE2 | Computer Eyes Raw Image Format |
| File extension CEA | DAZ 3D Carrara Pro Export |
| File extension CEB | Apabi EBook Format |
| File extension CED | JVC Corrupted Video Format |
| File extension CEDATA | Pogoplug |
| File extension CEDPRJ | Ashampoo CoverEditor Cover Project Format |
| File extension CEF | CenturionMail Format |
| File extension CEI | CRiSP Harvest |
| File extension CEIMG | CeRegEditor Registry Image |
| File extension CEL | Lumena CEL Bitmap Image Format |
| File extension CELL | CASTEP Supercell Material Data |
| File extension CELTX | Celtx Project Format |
| File extension CELX | Celestia Script |
| File extension CEM | Empire Earth Game Format |
| File extension CEO | Winewar Worm |
| File extension CER | Internet Security Certificate |
| File extension CERT | Netscape Certificate Index |
| File extension CERTAUTHORITYCONFIG | Apple Mac OS X Certificate Assistant Configuration |
| File extension CERTSIGNINGREQUEST | Apple Mac OS X Certificate Assistant |
| File extension CET | Hitachi Cobol |
| File extension CETRAINER | DBVM |
| File extension CEX | SolidWorks Enterprise PDM Vault Export Format |
| File extension CF | Sendmail Configuration Format |
| File extension CF2 | Common File Format 2 |
| File extension CF5 | DocuWare |
| File extension CF7 | Toshiba ConfigFree Profile Handling Module |
| File extension CFA | Adobe Premiere Pro Audio Format |
| File extension CFB | Disk Drill Recovered |
| File extension CFC | Adobe ColdFusion Component Format |
| File extension CFD | CryptoForge Document |
| File extension CFDI | Comprobante Fiscal Digital Por Internet |
| File extension CFE | CryptoForge Encrypted |
| File extension CFF | ColorImpact Color Formula Format |
| File extension CFF2 | Kodak Pandora Exported |
| File extension CFG | Configuration Files |
| File extension CFGE | Jewel Quest Configuration Format |
| File extension CFI | CleverForm Script |
| File extension CFK | Microsoft Developer Studio Diagram |
| File extension CFL | IMVU Product Format |
| File extension CFM | Adobe ColdFusion Template Format |
| File extension CFML | Adobe ColdFusion Markup Language Format |
| File extension CFN | Calamus Font Data |
| File extension CFO | Turbo C Utilities C Form Object |
| File extension CFP | Bitmap Native Format For CoverFactory |
| File extension CFPRESET | SA Color Finesse Plugin For Adobe After Effects |
| File extension CFR | Cross Fire Replay Format |
| File extension CFREPLAY | Crossfire Europe Replay |
| File extension CFS | INMOS Configuration Format |
| File extension CFT | CFast Graphics |
| File extension CFW | ChemFinder Form |
| File extension CFX | Magix Movie Edit Pro |
| File extension CFXR | Cocoa Sfxr Format |
| File extension CFXXE | Possibly Malware |
| File extension CFZ | Compressed Archive |
| File extension CG | NVidia CgFX Format |
| File extension CG3 | Cabri 3D Document |
| File extension CG4 | CALS Group IV Bitmap Graphics |
| File extension CGA | Ventura Publisher CGA Display Font |
| File extension CGD | CricketGraph Data |
| File extension CGDB | Microsoft Clip Art Package |
| File extension CGF | Asm Objasm Format |
| File extension CGFX | CgFX Shader Format |
| File extension CGI | Common Gateway Interface Script Format |
| File extension CGINC | Unity Custom Shader Include |
| File extension CGK | BlueSoleil |
| File extension CGM | Computer Graphics Metafile |
| File extension CGMAP | CityGuide Region Map |
| File extension CGO | Railroad Tycoon 3 Car Properties |
| File extension CGP | PixelCryptor Encrypted Format |
| File extension CGR | CATIA MultiCAx Plug-in Conversion Format |
| File extension CGRP | Pro Tools Clip Group Format |
| File extension CGT | Gold Parsing System Compiled Grammar Table |
| File extension CGVP | NVidia Cg Programming Language XML |
| File extension CGX | ARM RL-TCPnet HTTP Web Server XML Web Page Update Script |
| File extension CGZ | AssaultCube Map Format |
| File extension CH | OS/2 Configuration |
| File extension CH1 | IBM Freelance Graphics Chart |
| File extension CH10 | Irig 106 Original Recording |
| File extension CH3 | Harvard Graphics V3.0 Chart/image Format |
| File extension CH4 | WSxM |
| File extension CH5 | VisIt |
| File extension CHA | Online Chat Configuration Format |
| File extension CHAM | Compiled HAM Format |
| File extension CHAP | MP4 Movie Chapter |
| File extension CHARMM | CHARMm Chemical Modeller Input |
| File extension CHARSET | Character Set Format |
| File extension CHART | Feedback Chart Format |
| File extension CHAT | Online Chat Configuration Format |
| File extension CHATLOG | Adium Chat Log |
| File extension CHC | HCFR Colorimeter Data Format |
| File extension CHD | MAME Compressed Hard Disk Format |
| File extension CHE | CHwinEHE Project |
| File extension CHEF | Chef Source Code Format |
| File extension CHESSTITANSSAVE-MS | Chess Titans Save Game Format |
| File extension CHF | PcAnywhere Remote Control |
| File extension CHG | Quicken Online Data Format |
| File extension CHH | C++ Header |
| File extension CHI | Microsoft Help Index |
| File extension CHJ | IBM SPSS Interview Cache |
| File extension CHK | ScanDisk File Fragment |
| File extension CHKN | IMVU Create Mode Temporary |
| File extension CHKSPLIT | Incredible Bee Archiver Checksum |
| File extension CHL | Microsoft Internet Explorer Channel Information Format |
| File extension CHM | Microsoft Compiled HTML Help Format |
| File extension CHML | Chameleon Encrypted Format |
| File extension CHN | Ethnograph Data Format |
| File extension CHO | Animation:Master Choreography |
| File extension CHORD | Song Chords Format |
| File extension CHP | Ventura Publisher Chapter Document |
| File extension CHQ | Microsoft Help Combined Full-text Search |
| File extension CHR | Borland Language Stroke Font Format |
| File extension CHRPARAMS | CryENGINE Character Paramters Format |
| File extension CHS | Windows Chinese Noise-Word List Format |
| File extension CHT | ZSNES Cheat Code Format |
| File extension CHTML | Compact HTML Document |
| File extension CHUNK001 | File Splitter Split File (part 1) |
| File extension CHV | ChView Star Map Format |
| File extension CHW | Microsoft Help HTML Help General Index Format |
| File extension CHX | Autodesk AutoCAD Standards Check Format |
| File extension CI | CitectSCADA Format |
| File extension CID | CoDiagnostiX User Defined Implant |
| File extension CIDB | Apple ITunes CD Information Format |
| File extension CIF | Easy CD Creator CD Image Format |
| File extension CII | Caesar II |
| File extension CIK | Corel Graphics 10 Custom Dual Tone |
| File extension CIL | Microsoft Office Clip Gallery Download Package |
| File extension CIM | CimPack Design Drawing |
| File extension CIMG | CImg Image Format |
| File extension CIN | Kodak Cineon Image Format |
| File extension CIN96LM | Microsoft Cinemania |
| File extension CIN96UPD | Microsoft Cinemania Format |
| File extension CINE | Vision Research Phantom Cine Camera Video Format |
| File extension CINEMA4D | Cinema 4D For Amiga |
| File extension CIO | SWAT Master Watershed |
| File extension CIP | CryptoBuddy Encrypted Format |
| File extension CIPO | Cartesian Products Compressed Internet Document |
| File extension CIR | Supermax ECAD Command Save |
| File extension CIRC | Logisim Circuit |
| File extension CIRCUIT | KTechlab Circuit Design Format |
| File extension CIS | CheckInbox |
| File extension CISO | Wii Compressed Game Image |
| File extension CIT | Intergraph Scanned Image |
| File extension CIV | Empire Earth Custom Civilization Information |
| File extension CIV5MAP | Civilization 5 Map |
| File extension CIV5SAVE | Civilization 5 Saved Game Format |
| File extension CIW | Web Of Science Export |
| File extension CIX | Rational XDE |
| File extension CJSTYLES | Skin Builder Project |
| File extension CK1 | Commander Keen 1 Game Data |
| File extension CK2 | Commander Keen 2 Game Data |
| File extension CK3 | Commander Keen 3 Game Data |
| File extension CK4 | Commander Keen 4 Game Data |
| File extension CK5 | Commander Keen 5 Game Data |
| File extension CK6 | Commander Keen 6 Game Data |
| File extension CKA | Comfort Keys Database |
| File extension CKB | Cricket Audio Sound Bank Format |
| File extension CKBX | Cricket Audio XML Bank Description Format |
| File extension CKD | CADKEY Design Format |
| File extension CKF | Casio Keyboard Audio Format |
| File extension CKP | Ingres Database Checkpoint Data |
| File extension CKS | Microsoft Windows CE Image Info |
| File extension CKT | B2 Spice Circuit Design Format |
| File extension CKZ | QuickSFV File Verification Database |
| File extension CL | IconUtils Mouse Cursor Library Format |
| File extension CL2 | HY-TEK Meet Results Format |
| File extension CL2ARC | Comic Life 2 Document Archive Format |
| File extension CL2DOC | Comic Life 2 Document Format |
| File extension CL2LYT | Comic Life 2 Layout Format |
| File extension CL2TPL | Comic Life 2 Template Format |
| File extension CL3 | Easy CD Creator CD Layout |
| File extension CL4 | Easy CD Creator CD Layout Format |
| File extension CL5 | Easy CD Creator Saved Project Format |
| File extension CLA | Clarion For DOS Source Code |
| File extension CLAF | Claris Font |
| File extension CLAM | Adobe InDesign Dictionary |
| File extension CLARIFY | Blue Mango Clarify Document Format |
| File extension CLAS | Java Class |
| File extension CLASS | Java Bytecode Class Format |
| File extension CLASSDIAGRAM | Microsoft Visual Studio Class Diagram |
| File extension CLASSLIST | SMART Notebook Class List Format |
| File extension CLASSPATH | Eclipse IDE JAVA Project Related |
| File extension CLB | Super NoteTab ClipBook Template Format |
| File extension CLBX | MP3 Automagic CD Cover Creator Label |
| File extension CLC | Microsoft Schedule+ 7 Habits Mission Statement |
| File extension CLD | Canon CD-Label Print Label Layout Format |
| File extension CLDCVT | CD-LabelPrint Converted Data |
| File extension CLDLYR | TerraGen Cloud Layer |
| File extension CLE | Icon Lock-iT Locked File Indicator |
| File extension CLEO | Grand Theft Auto Vice City Mod Format |
| File extension CLF | ListPro |
| File extension CLG | QIP List Of Ignored Contacts Format |
| File extension CLGX | Collage Maker Collage |
| File extension CLI | Client Management System Customer |
| File extension CLIPPING | Apple Mac OS X Finder |
| File extension CLIPS | Coda For Mac Clips Format |
| File extension CLIX | CLIX Command Format |
| File extension CLJ | Clojure Source Code |
| File extension CLK | CorelDRAW Corel R.A.V.E. Animation Format |
| File extension CLKK | Clicker Keyboard Format |
| File extension CLKT | Clicker Template Format |
| File extension CLKW | Clicker Word Bank Format |
| File extension CLKX | Clicker Grid Set Format |
| File extension CLL | Crick Software Clicker |
| File extension CLM | Micrografx Picture Publisher Macro Format |
| File extension CLN | Microsoft Windows 3.x Configuration Backup |
| File extension CLO | Cloe Ray-Tracer Image |
| File extension CLOE | Cloe Ray-Tracer Image |
| File extension CLOUD | GOM Atos Scanner |
| File extension CLP | Microsoft Windows Clipboard Format |
| File extension CLPI | Blu-Ray Clip AV Stream Format |
| File extension CLPPRJ | CodeLobster PHP Edition Project |
| File extension CLR | Adobe Flash Color Table Format |
| File extension CLR0 | Nintendo Wii Color Swapping Animation |
| File extension CLS | JavaScript Class Definition Format |
| File extension CLT | VisualBoyAdvance Cheat List Format |
| File extension CLU | Broken Sword 2 Dialogue |
| File extension CLV | QIP Visible List |
| File extension CLW | Microsoft Visual C++ MFC Class Wizard Information Format |
| File extension CLX | Adobe Standard Dictionary Format |
| File extension CLY | CorelDRAW Custom Layout |
| File extension CLZ | Tomb Raider: The Angel Of Darkness Game |
| File extension CM | Grand Theft Auto CLEO Custom Mission Format |
| File extension CM10 | CaseMap Case Format |
| File extension CM2 | Poser Camera Set Format |
| File extension CM3 | CaseMap Data |
| File extension CM4 | ClipMate Data |
| File extension CM5 | LexisNexis Case Analysis |
| File extension CM8 | CaseMap Case |
| File extension CMA | Applix TM1 Database Format |
| File extension CMAKE | CMake Module |
| File extension CMAP | CmapTools Concept Map Format |
| File extension CMB | Xtree For Windows Button Bar |
| File extension CMBL | Logger Pro Data Format |
| File extension CMC | Comic Collector Collection Data |
| File extension CMD | Microsoft Windows Command Script Format |
| File extension CMDB | ANSYS CFX Mesh Database |
| File extension CMDF | CrystalMaker Data |
| File extension CMDT | Claris Dictionary |
| File extension CME | Crazy Machines Level Format |
| File extension CMF | Creative Labs FM-synthesis Music Format |
| File extension CMG | ChessMaster Saved Game |
| File extension CMI | The Dig Bundle |
| File extension CML | Chemical Markup Language Document Format |
| File extension CMM | Corel Multimedia Manager Album Format |
| File extension CMMCD | Camtasia Studio MenuMaker Project |
| File extension CMMP | Camtasia MenuMaker Project |
| File extension CMMTHEME | CleanMyMac Theme Format |
| File extension CMMTPL | Camtasia MenuMaker Template |
| File extension CMN | Systems Management Server (SMS) Update |
| File extension CMO | Spanish Whiz Sound |
| File extension CMOD | Celestia Model Format |
| File extension CMP | PKWare Compression Library Archive Format |
| File extension CMPROJ | Camtasia For Mac Project Format |
| File extension CMP_XML | Solid Edge XML Design |
| File extension CMR | Coach Saved Results |
| File extension CMRBK | CaseMap ReportBook Definition |
| File extension CMREC | Camtasia For Mac Record Format |
| File extension CMS | CaseMap Case Script Format |
| File extension CMT | Chinon ES-1000 Digital Camera Image Format |
| File extension CMTX | E-Sword Commentary |
| File extension CMU | CMU Window Manager Bitmap Image |
| File extension CMV | CorelDRAW CorelMove Animation |
| File extension CMW | Microsoft Office Custom Maintenance Wizard Data |
| File extension CMX | Corel Presentation Exchange Format |
| File extension CMY | CorelDraw Custom |
| File extension CMZ | Poser Compressed Camera Set Format |
| File extension CN | CNwin/MLwin Account |
| File extension CN1 | CNR Modem Initialization Data Format |
| File extension CN3 | CN3D |
| File extension CNA | Catena Project Format |
| File extension CNB | Pegasus Mail Noticeboard Mail Stored Message |
| File extension CNC | CNC Machine Tool Path Format |
| File extension CNC3CAMPAIGN | Command And Conquer 3 Campaign Save Game |
| File extension CND | Melco Condensed Embroidery Format |
| File extension CNDX | Avery DesignPro For Mac Label Format |
| File extension CNF | Network Configuration Format |
| File extension CNG | CryptoNG Encrypted Format |
| File extension CNI | CWBench |
| File extension CNK | Microsoft Dynamics GP Chunk |
| File extension CNM | NoteMap Outline Format |
| File extension CNN | ADO-network Connection Configuration |
| File extension CNO | INet-Server Error Description |
| File extension CNQ | WebShop Platinum Project |
| File extension CNR | Pegasus Mail Mail Message Stored In Systemwide Folder |
| File extension CNS | Windows 2000 Client Connection Manager Export Format |
| File extension CNT | Help Contents Format |
| File extension CNTK | Microsoft Outlook Express Contact |
| File extension CNTL | GoCart Control |
| File extension CNV | Canvas Drawing Format |
| File extension CNX | Pegasus Mail |
| File extension CO | Cobalt 3D |
| File extension COA | Caligari TrueSpace 3D Object |
| File extension COB | COBOL Programming Language Source Format |
| File extension COC | Bibexcel |
| File extension COD | Blackberry Compiled Java Code |
| File extension CODAPLUGIN | Coda For Mac Plugin Format |
| File extension CODASITE | Coda For Mac Web Project Format |
| File extension COE | Xilinx BRAM Initialization |
| File extension COF | AutoDesk Data Format |
| File extension COFFEE | CoffeeScript Script Format |
| File extension COK | INet-Server Error Report |
| File extension COL | Autodesk Colour Palette |
| File extension COLLECTION | Adobe Bridge Collection Format |
| File extension COLLISIONMESH | Battlefield Collision Mesh |
| File extension COLLOQUYTRANSCRIPT | Colloquy Chat Transcript |
| File extension COLOR | Amaya Config |
| File extension COLORPICKER | Apple Mac OS X Color Picker Component |
| File extension COLORS | SAM Makelogo Color |
| File extension COLOURSCHEME | J&ASoft Speedy Browser Color Scheme Settings |
| File extension COLR | Kaleidoscope Scheme |
| File extension COLZ | Adobe Collage Moodboard Format |
| File extension COM | Command Executable Format |
| File extension COMFYCAKESSAVE-MS | Comfy Cakes Saved Game Format |
| File extension COMICDOC | Comic Life Document Format |
| File extension COMMAND | Apple Mac OS X Terminal Format |
| File extension COMMANDERDOC | Apple Qmaster |
| File extension COMMON | Unix Script |
| File extension COMP | CodeWarrior Compiler |
| File extension COMPARISON | Merge Comparison Report |
| File extension COMPLETE | SendSafe Deciphered E-message |
| File extension COMPO | DAZ 3D Carrara Pro 7 Or 8 Temporary |
| File extension COMPONENT | Mac OS X System Component |
| File extension COMPONENTDIAGRAM | Microsoft Visual Studio Component Diagram |
| File extension COMPONENTS | Mac OS X System |
| File extension COMPOSITEFONT | Composite Font Format |
| File extension COMPOSITIONMODEL | Invantive Composition Data Model |
| File extension COMPRESS | Microsoft Compress |
| File extension COMPRESSED | WordCompress Compacted Web Format |
| File extension CON | Corel WordPerfect Concordance Format |
| File extension CONF | Configuration Information Format |
| File extension CONFIG | Configuration Format |
| File extension CONFIGPROFILE | Apple Configuration Profile |
| File extension CONFIGURE | Bash |
| File extension CONFLUENCE | Eclipse Mylyn WikiText Confluence |
| File extension CONFORM | Conformalizer Change List Format |
| File extension CONSOLE | Widows NT Console |
| File extension CONT | Panasonic Camcorder Extra |
| File extension CONTACT | Microsoft Windows Contact Format |
| File extension CONTENTPROJ | XNA Game Studio Game Content Project |
| File extension CONTENTS | MAC OS X |
| File extension CONTENTSOFCLIPBOARD | WinXP Powertoy |
| File extension CONTOUR | Contour Screenplay Format |
| File extension CONTROLS | OpenBVE Keyboard Settings Format |
| File extension CONVERTERX | SiMX TextConverter Project |
| File extension COO | AutoCAD Bounding Coordinates Cookie |
| File extension COOK | Netscape For Mac Cookie |
| File extension COOL | QB - Text Analyzer Vocabulary List |
| File extension COORDS | Ribbons Coords |
| File extension COP | Sam Coupé Sound |
| File extension COPRESET | Capture One Preset Format |
| File extension COPY | Sony Ericsson Protected Content Format |
| File extension COR | CorelDRAW Format |
| File extension COS | Creatures Source Code Format |
| File extension COS2 | Pinnacle Studio Cache Format |
| File extension COSTYLE | Capture One Style Format |
| File extension COUNTER | Netobjects Fusion Components Bbscomp Message |
| File extension COV | Microsoft Cover Page Editor Fax Cover Page Format |
| File extension COVERAGE | Microsoft Visual Studio Code Coverage |
| File extension COVERAGEXML | Microsoft Visual Studio Code Coverage |
| File extension COW | Thief Game |
| File extension COX | Click & Create Extension |
| File extension CP | Xcode C++ Source Code Format |
| File extension CP1 | CARE-S InfoWorks Phosphorus Detail |
| File extension CP2 | ChessBase Theme Classification |
| File extension CP3 | Grand Prix 3 Cockpit Shape Format |
| File extension CP8 | CP8 256 Gray Scale Image |
| File extension CP9 | ChoicePoint Encrypted Format |
| File extension CP? | LoseThos C+ Source |
| File extension CPA | Adobe Premiere Conformed Audio Format |
| File extension CPB | Comicino Studio Project Format |
| File extension CPBITMAP | Apple IPhone Bitmap Wallpaper Format |
| File extension CPC | Cartesian Perceptual Compression Compressed Image |
| File extension CPCT | Compact Pro Archive |
| File extension CPD | CorelDRAW Corel PrintOffice Drawing Format |
| File extension CPDT | Adobe Captivate Design Template |
| File extension CPE | Win95 Cover Page Editor Fax Cover Sheet Format |
| File extension CPF | Cognos Project Format |
| File extension CPG | Manga Studio Drawing |
| File extension CPGZ | Compressed UNIX CPIO Archive |
| File extension CPH | Corel Print House Printing Project Format |
| File extension CPI | AVCHD Clip Information Format |
| File extension CPIO | Unix CPIO Archive Format |
| File extension CPK | DTM Test Log Format |
| File extension CPL | Microsoft Windows Control Panel Format |
| File extension CPMZ | Miradi Project Format |
| File extension CPN | Age Of Empires Campaign Format |
| File extension CPO | Corel Print House Data |
| File extension CPP | C++ Main Source Code File Format |
| File extension CPQ | Compaq OEM Disc Configuration Format |
| File extension CPR | Cubase Project Format |
| File extension CPRR | Adobe Captivate XML Script |
| File extension CPS | Corel Photo House Image Format |
| File extension CPT | Corel PHOTO-PAINT Bitmap Format |
| File extension CPT2 | M-Tron Pro Library |
| File extension CPTL | Adobe Captivate Project Template Format |
| File extension CPTM | Adobe Captivate Theme |
| File extension CPTX | Adobe Captivate Project Format |
| File extension CPU | SiSoftware Sandra |
| File extension CPX | Oracle Application Development Framework ADF Binding Context Format |
| File extension CPY | ECopy Desktop Scanned Document Format |
| File extension CPZ | LoseThos C+ Source |
| File extension CQL | XDCC Catcher Queue List |
| File extension CQT | MAIL.DAT Container Quantity Data |
| File extension CR | CRiSP Source Code |
| File extension CR1 | LoggerNet CRBasic Source |
| File extension CR2 | Canon Digital Camera RAW Image Format Version 2.0 |
| File extension CR5 | Survey Pro Coordinate |
| File extension CRAFT | KSP Spacecraft Format |
| File extension CRASH | Apple Mac OS X Console Report Format |
| File extension CRASHED | AbiWord Crash-saved Document Format |
| File extension CRB | BigOven Recipe Database |
| File extension CRC | Total Commander CRC Format |
| File extension CRD | Microsoft Windows Cardfile Database Format |
| File extension CRDOWNLOAD | Google Chrome Incomplete Download Format |
| File extension CRDS | Microsoft Windows CardSpace Backup Format |
| File extension CREC | Microsoft Lync 2010 Recording |
| File extension CREOLE | Creole Source |
| File extension CREV | Adobe Captivate Review Format |
| File extension CRF | Enhanced Dark Engine Game Archive Format |
| File extension CRG | Calamus Picture Image |
| File extension CRH | EN-CC Truss Geometry |
| File extension CRI | Crystal Reports |
| File extension CRL | Certificate Revocation List |
| File extension CRMLOG | Microsoft Windows CRM Log |
| File extension CRP | CorelDRAW Corel Presents Run-time Presentation |
| File extension CRS | Corel WordPerfect Conversion Resource Format |
| File extension CRS3 | OmniPage Lite |
| File extension CRT | Internet Security Certificate |
| File extension CRTR | MultiAd Creator Pro Document Format |
| File extension CRTX | Microsoft Office 2007 Chart Template Format |
| File extension CRV | CorelDRAW Corel PHOTO-PAINT 10 Custom Gradients Format |
| File extension CRW | Canon Digital Camera RAW Image Format |
| File extension CRWL | Microsoft Windows Crawl Format |
| File extension CRX | Google Chrome Extension Installer File Format |
| File extension CRY | CryENGINE Map Format |
| File extension CRYPT | WhatsApp Messenger Encrypted Message Database Backup |
| File extension CRYPT5 | WhatsApp Messenger Encrypted Message Database Backup |
| File extension CRYPT6 | WhatsApp Messenger Encrypted Message Database Backup |
| File extension CRYPT7 | WhatsApp Messenger Encrypted Message Database Backup |
| File extension CRYPTED | Ashampoo WinOptimizer Encrypted Format |
| File extension CRYPTOMITE | CryptoMite Encrypted Archive |
| File extension CRYPTRA | Cryptra Encrypted Format |
| File extension CRYSISJMSF | Crysis Saved Game Format |
| File extension CRYSISPSF | Crysis Warhead Saved Game Position Format |
| File extension CRZ | Compressed Poser Character Rigging Format |
| File extension CS | Microsoft Visual Studio Visual C#.NET Source Format |
| File extension CS1 | Sinar CaptureShop |
| File extension CS2 | CyberStep2 |
| File extension CS4 | Sinar CaptureShop 4-shot Image |
| File extension CS8 | Unix Graphics Format |
| File extension CSA | Agilent PNA Code Calset Format |
| File extension CSAC | Web Research Collection Optimization Temporary |
| File extension CSAPLAN | SPSS Analysis Plan Format |
| File extension CSASSEMBLY | ICQ 6 |
| File extension CSATTR | Microsoft Visual Studio Attractor |
| File extension CSB | Corel PHOTO-PAINT Script |
| File extension CSC | 18 Wheels Of Steel: Pedal To The Metal Game |
| File extension CSCPKT | Sample Packet |
| File extension CSD | Compact Shared Document |
| File extension CSDPROJ | C# Device Project |
| File extension CSE | Web Research Document Package |
| File extension CSF | Adobe Photoshop Color Settings Format |
| File extension CSGRAD | Microsoft Visual Studio Gradients |
| File extension CSH | Adobe Photoshop Shapes Format |
| File extension CSHRC | UNIX Command |
| File extension CSHTML | ASP.Net Web Page |
| File extension CSI | ContentServ CS EMMS Suite Include Format |
| File extension CSJ | RIM CSJ Registration |
| File extension CSK | Claris Works |
| File extension CSKIN | CD Art Display Skin Format |
| File extension CSL | CineStyle Color Settings Format |
| File extension CSM | 3ds Max Character Studio Maker Format |
| File extension CSMANIFEST | ICQ 6 Settings |
| File extension CSML | Chemical Style Markup Language |
| File extension CSN | Adobe Dreamweaver Snippet Format |
| File extension CSO | CISO Compressed ISO Format |
| File extension CSOM | Eudora For Mac |
| File extension CSP | CorelDRAW Service Bureau Profiler Format |
| File extension CSPLAN | SPSS Sampling Plan Format |
| File extension CSPROJ | Microsoft Visual Studio Visual C# Project Format |
| File extension CSQ | Microsoft FoxPro Queries |
| File extension CSR | Certificate Signing Request Format |
| File extension CSS | Cascading Style Sheets Format |
| File extension CSS1 | Cascading Style Sheet |
| File extension CSSTORE | Apple Mac OS X Cache |
| File extension CST | Commonspace Document Format |
| File extension CSV | Comma Separated Value Format |
| File extension CSVIEW | Microsoft Visual Studio Views |
| File extension CSVX | XML CSV |
| File extension CSW | Corel WordPerfect Setup Information |
| File extension CSX | Microsoft Visual C# Primary Script Format |
| File extension CSY | Canvas Symbol Library Format |
| File extension CSZ | The Core Media Player Skin |
| File extension CT | IRIS CT Image Format |
| File extension CT0 | Tajima TBF Condition |
| File extension CT1 | SMS Proposed Site Control |
| File extension CT7 | CaseMap Case Analysis Template |
| File extension CT8 | CaseMap Case Template |
| File extension CTA | ColorTouch Assistant Settings |
| File extension CTB | AutoCAD Colour-dependent Plot Style Table Format |
| File extension CTBL | Xamine NSCL |
| File extension CTBODYFITTING | CrazyTalk Animator Format |
| File extension CTC | SeeYou Flight Data |
| File extension CTD | Tomahawk Gold Compressed Tomahawk Document |
| File extension CTE | Classical Text Editor Document |
| File extension CTF | AVG Antivirus Update Control Format |
| File extension CTFSYS | OS X Mach Kernel System |
| File extension CTG | BMC Software PATROL Format |
| File extension CTI | Collectorz.com Template Info |
| File extension CTIT | RAR Archive |
| File extension CTK | TeKton3D Project |
| File extension CTL | Visual Basic Control File (Active X Control File) |
| File extension CTM | Crazy Talk Face Model Format |
| File extension CTMDPI | MRMC Markov Reward Model Checker Matrix |
| File extension CTN | Cadterns Sloper Format |
| File extension CTO | Microsoft Visual Studio Binary Command Table Output |
| File extension CTP | CakePHP Template Format |
| File extension CTPROJECT | CrazyTalk Animator Project |
| File extension CTR | BrainVoyager QX Contrast |
| File extension CTS | CrazyTalk Audio Format |
| File extension CTSYM | Microsoft Visual Studio Command Table Output |
| File extension CTT | Windows Live Messenger Contact List Format |
| File extension CTV | Citavi Project Format |
| File extension CTV3 | Citavi 3 Project Format |
| File extension CTX | Microsoft Windows Terminal Server INI Backup Format |
| File extension CTXT | BlueJ Information Format |
| File extension CTY | SimCity City Format |
| File extension CTZ | Custody Toolbox Compressed Backup |
| File extension CU | CUDA Source Code Format |
| File extension CU1 | Photoline 4 Curve |
| File extension CU3 | Photoline Curves Clut |
| File extension CU? | Photoline Clut |
| File extension CUB | Windows Installer Validation Module Format |
| File extension CUBE | Antaeus |
| File extension CUE | Cue Sheet Description Format |
| File extension CUF | Turbo C Utilities Form Definition |
| File extension CUI | AutoCAD Customization Format |
| File extension CUIX | Autodesk AutoCAD Custom User Interface Format |
| File extension CUL | IconForge ImageForge Cursor Library |
| File extension CUP | SeeYou Waypoint |
| File extension CUR | Windows Cursor Format |
| File extension CURRENT | WhatsApp Messenger Encrypted Message Database |
| File extension CURSEMOD | Curse Client Mod |
| File extension CURSOR | Sun Cursor |
| File extension CURSORFX | CursorFX Cursor Theme Format |
| File extension CURXPTHEME | CursorFX Theme Format |
| File extension CUS | AutoCAD Custom Dictionary Format |
| File extension CUST | QuarkXPress Mac File Type |
| File extension CUSTOMDESTINATIONS-MS | Microsoft Windows 7 Jump List |
| File extension CUT | Dr. Halo Bitmap Format |
| File extension CUTECUTPROJECT | Cute Cut Project |
| File extension CUV | Origin Sample Curve |
| File extension CU_ | Microsoft Windows Winhelp Compressed |
| File extension CV | Microsoft CodeView Information Screen |
| File extension CV5 | Canvas 5 Drawing Format |
| File extension CVA | HP Compaq Diagnostics Format |
| File extension CVC | CVideo Format |
| File extension CVD | Clam AntiVirus Database Format |
| File extension CVF | CPU-Z Validation Format |
| File extension CVG | Calamus Vector Image File Format |
| File extension CVI | CassiniVision Map Image Format |
| File extension CVM | Odin Sphere |
| File extension CVN | Sonic CineVision Encoding Session Format |
| File extension CVP | Portrait Image Format |
| File extension CVR | Microsoft Office Crash Report Format |
| File extension CVS | CVS And VMS Sound Files (continous Variable Slope) |
| File extension CVSIGNORE | Eclipse CVS Settings |
| File extension CVSRC | TortoiseCVS CVS Command |
| File extension CVT | Canvas External Tool Format |
| File extension CVW | CaseView Document Format |
| File extension CVX | Canvas Drawing Format |
| File extension CVZ | Card Vault Inventory |
| File extension CW | CardWorks Template Format |
| File extension CW3 | Claris Works Document |
| File extension CW7 | COMPRESS Related |
| File extension CWB | Cakewalk Bundle |
| File extension CWC | CADfix Wizard Configuration |
| File extension CWDB | ClarisWorks Database |
| File extension CWF | CorelDRAW Workspace Format |
| File extension CWGR | ClarisWorks Drawing |
| File extension CWIE | CodeWarrior |
| File extension CWK | ClarisWorks Document Format |
| File extension CWKS | ClarisWorks |
| File extension CWL | ClarisWorks Library |
| File extension CWLINK | CodeWarrior |
| File extension CWM | WebSphere Map Designer Express Map Definition |
| File extension CWMS | CompeGPS Land Remote Map |
| File extension CWP | Cakewalk Sonar Audio Project Format |
| File extension CWPT | ClarisWorks Painting Drawing |
| File extension CWR | Crystal Reports Report |
| File extension CWS | ClarisWorks Template Format |
| File extension CWSS | ClarisWorks Spreadsheet |
| File extension CWT | ClarisWorks Texture Format |
| File extension CWW | Crossword Weaver Format |
| File extension CWWP | ClarisWorks Document |
| File extension CWX | Sonar Track Template |
| File extension CWZ | Circuit Wizard Format |
| File extension CW_ | CorelDRAW Workspace |
| File extension CX | CodeMapper Script |
| File extension CX3 | CMS Video Format |
| File extension CXA | ANSYS Fluent Animation Metadata |
| File extension CXARCHIVE | CrossOver Bottle |
| File extension CXB | Custody X Change Data |
| File extension CXD | SimplePCI Graphics Data Format |
| File extension CXE | Common XML Envelope |
| File extension CXF | Google Picasa Collage Format |
| File extension CXL | Business Integrator Extract Schema |
| File extension CXML | Microsoft Silverlight Server Side Data |
| File extension CXP | Omron CX Programmer Format |
| File extension CXQ | SillyDl.CXQ Downloading Trojan |
| File extension CXR | CX-Programmer Settings |
| File extension CXT | Adobe Director Protected Cast Format |
| File extension CXV | Custody X Change Data |
| File extension CXX | C++ Main Source Code File Format |
| File extension CYA | Cyana Macro |
| File extension CYBERDUCKLICENSE | Cyberduck For Mac OS License Format |
| File extension CYBERDUCKPROFILE | Cyberduck Connection Profile |
| File extension CYI | Clustify Input Format |
| File extension CYL | Ribbons Cylinder |
| File extension CYO | Clustify Output Format |
| File extension CYP | Home Designer Pro Project Format |
| File extension CYR | Crysis Level |
| File extension CYS | Clustify Summary Statistics Format |
| File extension CYW | Rbot.CYW Worm Format |
| File extension CZ | Czech Language Translation |
| File extension CZD | The Crash Zone Drawing Format |
| File extension CZI | Carl Zeiss Image Data Format |
| File extension CZIP | ZG Encrypted Zip Archive |
| File extension CZN | RMCProfile Atom List |
| File extension CZP | ClozePro Archive Format |
| File extension C_ | Microsoft Winhelp Compressed |
| File extension C__ | C++ Source Code |
File extensions in alphabetical order: C
The list of file extensions, sorted alphabetically, beginning with the letter C