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Computer 'C' file extensions

Below is a listing of each of the different file extensions that begin with the letter 'C'. If you are looking for a file extension that begins with something else click on one of the links below.

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File extensions homepage

.C C file used with the C programming language.
.CAB Cabinet file used in Windows 95 and Windows 98 that contains all the Windows files and drivers. Information about how to extract a .CAB file.
.CAL Windows Calendar, Supercalculator4 file or Supercal spreadsheet.
.CAM Casio digital camera file.
.CAS Netica comma separated value text file of cases.
.CBL COBOL Program File
.CBT Computer Based Training files.
.CDA CD Audio Player Track.
.CDR Corel Draw Vector file.
.CDT Corel Draw Template file
.CFB Comptons Multimedia file
.CFG Configuration file
.CFL Corel flowchart file
.CFM Corel FontMaster file, Cold Fusion Template file, and Visual dBASE Windows customer form
.CGM CAD file.
.CHK ScanDisk file that is used to backup information that ScanDisk has found to be bad, found in C root. Because the information within these files are corrupted or reported as bad by ScanDisk it is perfectly fine to delete these files, providing you are currently not missing any information. Additional information about ScanDisk can be found on our ScanDisk page.
.CL Generic LISP source code.
.CL3 Easy CD Creator layout file.
.CL4 Easy CD Creator layout file.
.CLA Java Class file.
.CLG Disk catalog database
.CLK Corel R.A.V.E. animation file.
.CLL Crick software clicker file
.CLO Cloe image
.CLP Windows Clipboard, Quattro Pro clip art, and Clipper 5 compiler script file
.CLR WinEdit colorization word list, 1st reader binary color screen image, PhotStyler color definition file
.CLS Visual Basic Class module and C++ Class definition file
.CMD Windows Script File also OS/2 command file.
.CMV Corel Movie file.
.CNT Help file (.hlp) Contents (and other file contents)
.CPL Windows Control Panel icons.
.CNE Configuration file that builds .COM files.
.CNF Configuration file.
.CNV ACD Systems Canvas 6,7, and 8 file.
.COB COBOL source code file.
.COD FORTRAN Compiler program code
.COM File that can be executed.
.CPE Fax cover page file
.CPI Code Page Information or Microsoft Windows applet Control Panel file.
.CPP C++ source code file.
.CPT Compact Pro compressed file extracted and used with various compression utilities.
CorelDraw Photopaint file.
.CR2 Canon RAW format file.
.CRD Windows Card file.
.CRT Microsoft Security certificate.
.CRW Canon RAW format file.
.CSV 1. Comma-separated values file. Used primary with databases and spreadsheets (Microsoft Excel and Openoffice Calc).
2. Image file used with CopuShow
.CUE Description of a CD image file. Often used with .BIN file.
.CUR Windows Mouse Cursor.
.CV5 ACD Systems Canvas 5 file.
.CVI ACD Systems Image format file.
.CVS ACD Systems Canvas drawing file.
.CVX ACD Systems Canvas 9 file.
.CXX C++ program file or Zortech C++ file

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