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.
Related article:How to Remove a File Association Using the Registry Editor?
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.
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|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 type
|Deletes the file type completely from the registry. Both the user-specific and global associations for the chosen file type is removed.
|Refreshes the list box contents.