The File Extensions Database


.CV File Extension

  • Developer by: Microsoft
  • Category: Data Files

What is an .CV file?

.CV is CodeView Data File

A CV file is a data file created by CodeView, a debugger utility shipped with Microsoft C 4.0 and later. It contains debugging information such as frame pointer omission (FPO) records, variables, and line numbers.

The CodeView format is used to help locate problems in an application. The format supports FPO records, variables, and line numbers. An FPO record is is used to locate the next function information on the stack without frame pointers. Variables are global, local, and static variables. Line numbers are addresses that represent the lines in the C/C++ source files.

CodeView was created by David Norris of Microsoft in 1985 and was designed for 16-bit Real-mode programs. It was originally packaged with Microsoft C 4.0, along with Microsoft Basic PDS and Visual Basic for MS-DOS. The program consists of several windows including a code window, watch window, data window, locals window, assembly window, and command window. CodeView eventually was integrated into an IDE as part of Microsoft Visual Studio.

How to solve problems with CV files

  • Associate the CV file extension with the correct application. On :
    Windows: Right click on any CV file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.CV files". Mac: Right click (or Ctrl-click) the CV file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .CV is CodeView Data File. Because only the current version supports the latest CV file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .CV is CodeView Data File update.
  • To make sure that your CV file is not corrupted or virus-infected, get the file again and scan it with antivirus software.