Find data formats and their file extensions starting with the letter C.
With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge.
Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.
| Number Symbol 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 Full List |
Data File Formats that Begin with the Letter ‘C’ |
|
| .c | C source code file |
| Compressed unix file archive created by COMPACT | |
| .c++ | C++ source code file |
| .c– | Source code (Sphinx C–) |
| .c00 | Print file (Ventura Publisher) |
| WinAce Split Archive file | |
| .c01 | Genesis 2000 |
| .c2d | WinOnCD CD Image |
| .c4d | MAXON Cinema 4D File (Graphics) |
| .c60 | Midtronics Battery Management Software |
| .c86 | C source code file (Computer Innovation C86) |
| .ca | Initial cache data for root domain servers (Telnet) |
| .cab | Cabinet File (Microsoft installation archive) |
| .cache | Cache file (typically Web cache) |
| .cad | Softdesk Drafix CAD File |
| .cac | dBASE IV executable when caching on/off (see cachedb.bat) |
| .cad | Document (Drafix Windows CAD) |
| .cag | MS Clip Gallery Catalog file |
| .cal | Calendar file (Windows 3.x) |
| Calendar Maker Pro | |
| .calb | Coolect Album file (Coolect Album Player) |
| Spreatsheet (SuperCalc) | |
| .cam | Casio Camera Graphic |
| .can | Fax (Navigator Fax) |
| .cap | Caption (Ventura Publisher) |
| Session capture file (Telix) | |
| .car | AtHome Assistant file |
| Carrara Environment | |
| NeoBook Cartoon | |
| .cas | Comma-delimited ASCII File |
| .cat | Catalog (dBASE IV) |
| .cb | Clean Boot File (Microsoft) |
| Brief Macro Source Code | |
| .cbc | Fuzzy logic system (CubiCalc) |
| .cbf | Calendar Builder file |
| .cbl | Cobol source code file |
| .cbm | Compiled bitmap graphics (XLib) |
| .cbp | CentralBuilder Project |
| .cbr | ComicBook Reader File archive (CDisplay image viewer) |
| .cbt | Computer Based Training (many) |
| .cbz | ComicBook Reader File archive (CDisplay image viewer) |
| .cc | C++ source code file |
| .cca | CC:Mail archive file |
| .ccb | Visual Basic Animated Button Configuration |
| .ccc | Bitmap graphics (native format) (Curtain Call) |
| .ccd | CloneCD Related file |
| Vector CAD Program file | |
| .cce | Calendar Creator 2 Event file |
| .ccf | Communications configuration file (Symphony) |
| .cch | Chart (CorelChart) |
| .ccl | Communication Command Language file (Intalk) |
| .cco | Btx Graphics file (XBTX) |
| .cct | Macromedia Director Shockwave file |
| .ccx | Corel PrintHouse file |
| .cda | CD Audio Track |
| .cdb | Card database (CardScan) |
| Main database (TCU Turbo C Utilities) | |
| .cdd | ConceptDraw Document file |
| .cde | Honeywell Hybrid Control Designer |
| .cdf | Component Definition file |
| Graphics (netcdf) | |
| .cdg | Compact Disc Plus Graphics file |
| .cdi | Phillips Compact Disk Interactive format |
| DiscJuggler Image file | |
| .cdk | Document (Atari Calamus) |
| .cdl | CaseWare Working Papers Document Link |
| SignLab Vector Graphic | |
| .cdm | Media Maker Disk Image file |
| Visual dBASE Custom Data Module | |
| .cdp | Visual Objects Developer file |
| CD/Spectrum Pro | |
| .cdr | Vector graphics (CorelDRAW native format) |
| .cdt | Data (CorelDraw 4.0) |
| .cdx | CorelDraw Compressed Image file |
| Compound index (FoxPro) | |
| .ce | Main.ce (The FarSide Computer Calendar) |
| .ceb | Apabi eBook file |
| .ceg | Bitmap graphics (Tempra Show – Edsun Continuous Edge Graphics) |
| .cel | Graphics (Autodesk Animator – Lumena) |
| .cf | Sendmail Configuration file |
| Configuration file (imake) | |
| .cfb | Comptons multimedia file |
| .cfc | Macromedia Coldfusion component extension |
| .cfg | Configuration |
| .cfl | Chart (CorelFLOW) |
| .cfm | ColdFusion Markup Language (Allaire) |
| .cfn | Font data (Atari Calamus) |
| .cfo | C Form Object internal format object file (TCU Turbo C Utilities) |
| .cfp | Quicken Cash Flow Projection file |
| Fax (The Complete Fax Portable) | |
| .cfr | Crossfire Replay file |
| .cga | CGA display font (Ventura Publisher) |
| .cgd | Cricket Graph Data file |
| .cge | CCD Astrocamera |
| .cgi | Common Gateway Interface script |
| .cgm | Computer Graphics Metafile vector graphics (A&L – HG – many) |
| .ch | Header file (Clipper 5) |
| .ch3 | Chart (Harvard Graphics 3.0) |
| .ch4 | Presentation (Charisma 4.0) |
| .chd | Font descriptor (FontChameleon) |
| .chi | Document (ChiWriter) |
| .chk | Recovered data (ChkDsk) |
| Temporary file (WordPerfect for Win) | |
| .chl | Configuration History Log |
| .chm | Compiled HTML |
| .chn | Data (Ethnograph 3) |
| .cho | ChordPro file |
| .chp | Chapter file (Ventura Publisher) |
| .chr | Character set (Turbo C – Turbo Pascal) |
| .cht | Chart (Harvard Graphics 2.0 – SoftCraft Presenter) |
| Interface file for ChartMaster (dBASE) | |
| .chw | Compiled Help Index file |
| .cid | AnalogX Caller ID file |
| .cif | Caltech Intermediate Format graphics |
| Chapter information (Ventura Publisher) | |
| .ciff | Canon CIFF |
| .cil | Clip Gallery Download Package |
| .cit | Intergraph Raster File Reference |
| .cix | Database index (TCU Turbo C Utilities) |
| .ckb | Keyboard mapping (Borland C++ 4.5) |
| .cl | Common LISP source code file |
| .cl3 | Easy CD Creator Layout file |
| .cl4 | Easy CD Creator Layout file |
| .cl5 | Easy CD Creator Layout file |
| .class | Java class file |
| .clb | ICQ Contact List |
| MS Office XP Developer Code Librarian | |
| cdrLabel Compact Disc Label | |
| .clg | Windows Catalog file |
| .cli | Client Management System Customer file |
| .clm | COLIMO file |
| .clp | Clip art graphics (Quattro Pro) |
| Clipboard file (Windows 3.x) | |
| Compiler script file (clip list) (Clipper 5) | |
| .clpi | Blue-ray Disc Clip Information file |
| .clr | Color binary screen image (1st Reader) |
| Color definitions (Photostyler) | |
| .cls | C++ class definition file |
| .cm | Data file (CraftMan) |
| .cmd | Batch file (OS/2) |
| Command (dBASE – Waffle) | |
| External command menu (1st Reader) | |
| .cmf | FM-music file (Creative Music File) |
| .cmg | CMG file |
| .cmk | Card (Card Shop Plus) |
| .cml | COMAL programming language |
| .cmm | Cmm script (batch) file (CEnvi) |
| .cmo | Virtools Composition file |
| .cmp | Header file for PostScript printer files (CorelDRAW) |
| User dictionary (MS Word for DOS) | |
| Bitmap graphics (Lead CMP compression) | |
| .cmq | Culturemetrics file |
| .cmt | Culturemetrics file |
| .cms | TrialDirector media storage |
| .cmv | Animation (CorelMove CorelDraw 4.0) |
| .cmx | Corel PhotoPaint Image |
| Corel Presentation Exchange Image | |
| The Sims (Maxis) 3D Body Mesh Data | |
| Apple Viewer file | |
| .cnc | CNC general program data |
| .cnd | ControlDraw file |
| Embroidery Design file | |
| .cnf | Configuration (program – printer setup) |
| .cnt | Helpfile contents |
| .cnv | Data conversion support file (Word for Windows) |
| Temporary file (WordPerfect for Win) | |
| .cob | Cobol source code file |
| .cod | Datafile (Forecast Plus – MS Multiplan – StatPac Gold) |
| Program compiled code (FORTRAN) | |
| Template source file (dBASE Application Generator) | |
| Videotext file | |
| .col | Color palette (Autodesk Animator – many) |
| Spreadsheet (MS Multiplan) | |
| .com | Command (memory image of executable program) (DOS) |
| .con | Configuration file (Simdir) |
| .conf | Configuration file |
| .config | Configuration file |
| .cor | Protein Structure file |
| Web GPS Correction Server Export file | |
| WMOVIEC Input file | |
| .cpd | Script (Complaints Desk) |
| .cpe | MS Fax Cover Sheet |
| .cpf | Fax (The Complete Fax) |
| Clever Cache Profile file | |
| .cph | Corel Print House image |
| .cpi | Code Page Information file (DOS) |
| AVCHD Clip Information | |
| Colorlab Processed Image bitmap graphics | |
| .cpl | Control panel file (Windows 3.x) |
| Presentation (Compel) | |
| .cpo | Corel Print House file |
| .cpp | C++ source code file |
| Presentation (CA-Cricket Presents) | |
| .cpr | Cubase Project file |
| .cps | Backup of startup files by Central Point PC Tools autoexec.cps |
| coloured postscript files | |
| .cpt | Compressed Mac file archive created by COMPACT PRO (ext-pc.zip) |
| Corel Photo-Paint Image | |
| Encrypted memo file (dBASE) | |
| Template (CA-Cricket Presents) | |
| .cpx | Control Panel Applet |
| Corel Presentation Exchange Compressed Drawing | |
| .cpy | Copy Books Data file |
| .cpz | Music text file (COMPOZ) |
| .cr2 | Canon Raw Image file |
| .crc | Total Commander CRC file |
| .crd | Cardfile (Windows 3.x – YourWay) |
| ColdRED Script file | |
| Guitar Chord file | |
| .crf | Cross-reference (MS MASM – Zortech C++) |
| .crh | Links Games Course file |
| MS Golf Image file | |
| .crp | Encrypted database (dBASE IV) |
| .crs | File Conversion Resource (WordPerfect 5.1) |
| .crt | Terminal settings information (Oracle) |
| Security certificate (Windows Sharepoint) | |
| .crtr | Multi-Ad Creator 7 document |
| .crtx | Microsoft Chart Template file |
| .cru | Compressed file archive created by CRUSH |
| .crw | Canon RAW Image file |
| .crx | Chrome Extension file |
| Links Games Course file | |
| .crz | Links Games Course file |
| .cs | Visual C# Source file |
| .csa | Comma Deliminated Text |
| Ultimate Ride Roller Coaster | |
| .csf | Adobe Colour Settings file |
| Van Dyke’s CRT/SecureCRT Script file | |
| .csg | Graph (Statistica/w) |
| .csh | Hamilton Labs C Shell Script file |
| .csk | Claris Works |
| .csm | Precompiled headers (Borland C++ 4.5) |
| .cso | Compressed ISO Image file |
| .csp | PC Emcee Screen Image file (Computer Support Corporation) |
| .css | Cascading Sheet Style file |
| Datafile (CSS – Stats+) | |
| Datasheet (Statistica/w) | |
| .cst | Macromedia Director Cast file |
| Panasonic music file (keyboard) | |
| .csv | Comma Separated Values text file format (ASCII) |
| Adjusted EGA/VGA palette (CompuShow) | |
| .ct | Continous Tone file |
| .ctc | Control file (PC Installer) |
| .ctd | Cobra Track Dump |
| Cardtable file | |
| Marine Data file | |
| Simpsons Cartoon Studio Export file | |
| .ctf | Character code translation file (Symphony) |
| .ctg | Canon Catalog file |
| Cartridge Definition file | |
| ChessBase Opening Book | |
| Canon Powershot Pro 70 Info file | |
| .ctl | Microsoft Visual Basic Control file |
| Control file (dBASE IV – Aldus Setup) | |
| Setup information | |
| .ctn | CADTERNS file |
| .ctt | Messenger contacts file |
| Labview file | |
| .ctu | CZTU, a gamma-ray analysis program. Need the CTZU.exe file to work |
| .ctx | Course TeXt file (Microsoft online guides) |
| Ciphertext file (Pretty Good Privacy RSA System) | |
| .cty | SimCity City file |
| .cue | MS Cue Cards data |
| .cuf | C Utilities Form definition (TCU Turbo C Utilities) |
| .cul | Windows cursor library (IconForge, ImageForge, ImageForge PRO) |
| .cur | Cursor image file (Windows 3.x) |
| .cut | Bitmap graphics (Dr. Halo) |
| Dr Halo CUT files | |
| .cv4 | Color file (CodeView) |
| .cv5 | Canvas version 5 |
| .cva | ACD Canvas Sequence Set file |
| Compaq Diagnostics | |
| .cvb | Borland BDE File |
| .cvd | Bitdefender |
| .cvp | Cover page (WinFax) |
| .cvr | WinFax Cover Sheet |
| ElectraSoft Fax Cover Sheet | |
| .cvs | Graphics (Canvas) |
| .cvt | Backup file for CONVERTed database file (dBASE IV) |
| .cvw | Color file (CodeView) |
| .cwk | Claris Works data |
| .cwz | CropWalker file |
| .cxf | Google Picasa Collage file |
| .cxp | Core Media Player XML-based Playlist File |
| .cxt | Macromedia Director Protected Cast file |
| .cxx | C++ source code file (Zortech C++) |
Recommended Reading: An Introduction to Data File Formats and Their File Extensions
| Number Symbol 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 Full List |
This article was last updated on April 12, 2012
