How to open CHK file extension?

The author of advice: Mr Brankiewicz

CHK files are incessantly popular. However, a file name containing CHK file extension is problematic for some of the users. They have problems with correct opening of a file with CHK extension. However, it should be remembered that CHK file extension can match one or more types of files. The most popular is ScanDisk File Fragment but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning CHK files and search for its solution.

A list of programs supporting files types with CHK extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • ScanDisk File Fragment

    .chk file extension

    Category: Various Files

    OS Software
    Windows DIY DataRecovery CHK-Mate (examines the contents of CHK files) DIY DataRecovery CHK-Mate (examines the contents of CHK files)
    UnCHK or FileCHK (recovers data from a CHK file) UnCHK or FileCHK (recovers data from a CHK file)
  • Starcraft Campaign Map Format

    .chk file extension

    Category: Games Files

  • InterCheck Checksum Database

    .chk file extension

    Category: Database Files

    OS Software
    Windows Sophos Anti-Virus Sophos Anti-Virus
    MAC OS Sophos Anti-Virus Sophos Anti-Virus
    Linux Sophos Anti-Virus Sophos Anti-Virus

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from CHK files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning CHK extension of files?

The problem that often causes damage concerning CHK extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the CHK file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports CHK file extension
  • CHK file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with CHK files


If CHK file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a CHK file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open CHK file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing CHK in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit CHK format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a CHK file? [ Add information about a CHK file ]

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