What is the CV4 File Extension?

Writer:   |   Edited: November 15, 2018

Microsoft Silver

CV4 File Summary

File Extension CV4 has only one distinct file type (Microsoft CodeView Graphics Data format) and is mostly associated with a single related software program from Microsoft Corporation (CodeView). The majority of CV4 files are considered Developer Files.

File Extension CV4 is supported by OS/2 and DOS operating systems. These types of files can be found on both desktop and mobile devices. These files have a Popularity Rating of "Low", meaning they are not very commonly observed on your average hard disk.

If you would like to learn more about CV4 files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic CV4 file troubleshooting if you are having trouble opening these files.

Low
Universality
7412
Rank

/ 11690

Active

Relevance

15

November

2018

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FileViewPro Opens CV4 Files

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Known CV4 Files


Dominant CV4 File Type

.CV4
Extension:.cv4
File Type:Microsoft CodeView Graphics Data

CV4 file is associated with CodeView, an older debugging tool was developed by Microsoft. CV4 file contains debug information generated by the software. This format is obsolete.

Developer: Microsoft Corporation
Function:Developer Files
Registry Key: HKEY_CLASSES_ROOT\.cv4

Software Programs That Open The Microsoft CodeView Graphics Data:


CodeView by Microsoft Corporation

OS/2
DOS

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CV4 File Popularity


OS Hierarchy

7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)


Sources of CV4 Problems


Issues Opening CV4 Files

CodeView Not Present

You attempt to load your CV4 file and get an error such as "%%os%% Can't Open The CV4 File Extension". When this happens, it is commonly due to CodeView missing in %%os%%. The typical path of opening your CV4 with a double-click won't work because %%os%% cannot make the program connection.


Tip: If you know of another program that can open your CV4 file, you can try opening it by selecting the application from the programs listed.


Obsolete Version of CodeView

It is possible that your version of CodeView isn't able to open your Microsoft CodeView Graphics Data file due to incompatibility. Installing the latest version of CodeView from Microsoft Corporation is recommended. This problem is predominately due to having a Microsoft CodeView Graphics Data file version that was created by a newer version of CodeView than what you have installed on your PC.


Tip: Investigate your CV4 file by right-clicking and selecting "Properties" to find clues on what version you need.


Ultimately, most of the difficulties opening CV4 files are due to having the wrong version of CodeView installed.


Other Causes of CV4 File Opening Problems

Errors opening Microsoft CodeView Graphics Data files can still occur even with the latest CodeView software installed on your computer. There can be external issues inside of %%os%% that are causing these errors when opening CV4s. These other problems include (listed in order from most to least common):

  • File references in the Windows Registry for CV4 are wrong
  • Mistaken removal of the Windows registry CV4 description
  • Invalid installation of a CV4-associated program (eg. CodeView)
  • The CV4 itself is corrupted
  • The CV4 is infected with a virus
  • Device drivers for CV4-related hardware are out-of-date
  • Your computer does not have the adequate system resources to open the Microsoft CodeView Graphics Data format

Poll: Do you use a computer or mobile device more often to view files?






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