A Utility to Unassociate File Types in Windows 7 and Vista


Here is a utility that helps you unassociate a file type quickly in your Windows Vista or Windows 7 computer without the need to edit the registry manually. Windows 7 & Vista do not provide a GUI option to unassociate file types, thus the need arises for such a tool below.

Unassociate file types in Windows 7 & Windows Vista

  • Download unassoc.zip and save to Desktop
  • Extract the contents to a folder and run the file unassoc.exe
  • Select the file type from the list
  • Click Remove file association (User)

The user-specific association for the chosen file type is now removed from the registry. The system will now use the global file association settings.

More information

CommandDescription
Remove file association (User)Removes the user-specific association (via the Open With dialog) for the chosen file type. Note that this button will remain dimmed if there is no user-specific association for the file type.
Delete file typeDeletes the file type completely from the registry. Both the user-specific and global associations for the chosen file type is removed.
Refresh listRefreshes the list box contents.

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174 Comments

  1. Mary Ann
    said this on Wednesday, November 19th 2014 6:39 am

    Thank you so much for posting! This is a super easy solution that works perfectly!

  2. sunil
    said this on Monday, November 10th 2014 11:28 am

    thanks this solved my problem

  3. takata
    said this on Friday, November 7th 2014 9:54 pm

    I have big problem. I deleted .exe and I can’t do anything

  4. Petr Široký
    said this on Thursday, November 6th 2014 9:22 pm

    Great, thank you. I had that .lnk association problem. It had looked horrible before I found out utility:-)

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