Most commonly found extensions (PART 1: A to C):

This chart is a list of the most commonly found extensions, what type of file they are.

.$$$ Temporary file
.$$A OS/2 program file
.$$F OS/2 database file
.$$S OS/2 spreadsheet file
.$D$ OS/2 planner file
.$DB DBASE IV temporary file
.$ED Microsoft C temporary editor file.
.$VM Microsoft Windows temporary file for virtual managers.
._DD Norton disk doctor recovery file.
._DM Nuts n Bolts disk minder recovery file.
.--- File used to backup sys, ini, dat, and other important files from Windows 3.1 and above.
.075 Ventura Publisher 75x75 dpi screen characters
.085 Ventura Publisher 85x85 dpi screen characters
.091 Ventura Publisher 91x91 dpi screen characters
.096 Ventura Publisher 96x96 dpi screen characters
.0B Pagemaker printer font LineDraw enhanced characters.
.1ST File used by some software manufacturers to represent a file that should be read first before starting the program.
.2GR File used in Windows 3.x to display the graphics on older 286 and 386 computers.
.386 Virtual machine support files for the 386 enhanced mode.
.3GR File used in Windows 3.x to display the graphics on later 386, 486 and Pentium computers.
.4SW 4DOS Swap file

A
.A ADA program file or UNIX library
.A3W MacroMedia Authorware 3.5 file
.ABK Autobackup file used with Corel Draw 6 and above.
.ABR Brush file for Adobe Photoshop
.ACT Adobe Photoshop Color table file.
.AD After Dark file.
.ADF Adapter description files.
.ADM After Dark screen saver module.
.ADR After Dark randomizer
.AI Adobe Illustrator file.
.AIF Auto Interchange File Format (AIFF) Audio file.
.ANI Windows 95 / Windows 98 / Windows NT animated mouse cursor file.
.ANS ANSI text file.
.ARJ Compressed file can be used with Winzip / Pkzip.
.ASC ASCII Text file
.ASF Sort for Advanced Streaming Format, file developed by Microsoft. The .ASF file is generally a movie player and can be open with software such as Windows Media Player.
.ASP Microsoft FrontPage Active Server Pages. To open these files use your internet browser.
.AVI Windows Movie file.


B
.BAK Backup file used for important windows files usually used with the System.ini and the Win.ini.
.BAS QBasic program and or Visual Basic Module.
.BAT Batch file that can perform tasks for you in dos, like a macro.
.BFC Microsoft Windows 95 / Windows 98 Briefcase file.
.BG Backgammon game file.
.BIN Translation tables for code pages other than the standard 437.
.BK2 Word Perfect for Windows Backup file
.BK3 Word Perfect for Windows Backup file
.BK4 Word Perfect for Windows Backup file
.BK5 Word Perfect for Windows Backup file
.BK6 Word Perfect for Windows Backup file
.BK7 Word Perfect for Windows Backup file
.BK8 Word Perfect for Windows Backup file
.BK9 Word Perfect for Windows Backup file
.BMP Graphical Bit Mapped File used in Windows Paintbrush.
.BNK Sim City Backup
.BPS Microsoft Works Word Processor File.
.BPT Corel Draw Bitmap master file
.BV1 Word Perfect for Windows Backup file
.BV2 Word Perfect for Windows Backup file
.BV3 Word Perfect for Windows Backup file
.BV4 Word Perfect for Windows Backup file
.BV5 Word Perfect for Windows Backup file
.BV6 Word Perfect for Windows Backup file
.BV7 Word Perfect for Windows Backup file
.BV8 Word Perfect for Windows Backup file
.BV9 Word Perfect for Windows Backup file
.BWP BatteryWatch pro file.


C
.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 can be found on document CH000363.
.CAL Windows Calendar, Supercalculator4 file or Supercal spreadsheet.
.CBL COBOL Program File
.CBT Computer Based Training files.
.CDA CD Audio Player Track.
.CDR Corel Draw Vector file.
.CFB Comptons Multimedia file
.CFG Configuration file
.CFL Corel flowchart file
.CFM Corel FontMaster file / Cold Fusion Template file / Visual dBASE windows customer form
.CHK Scandisk file which is used to back up 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 / Clipper 5 compiler script
.CLR WinEdit Colorization word list / 1st reader binary color screen image / PhotStyler color definition
.CLS Visual Basic Class module / C++ Class definition
.CMD Windows Script File also OS/2 command file.
.CMV Corel Movie file.
.CNT Help file (.hlp) Contents (and other file contents)
.CPL Windows 95 / Windows 98 / Windows NT control panel icons.
.CNE Configuration file that builds .COM files.
.CNF Configuration 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.
.CRD Windows Card file.
.CSV Comma-Separated Variable file. Used primary with databases and spreadsheets / Image file used with CopuShow
.CUR Windows Mouse Cursor.
.CVS Canvas drawing file

.CXX C++ program file or Zortech C++ file
SHARE

Chetan Sundarde

What's hurts more, the pain of hard work or the pain of regret?

  • Image
  • Image
  • Image
  • Image
  • Image