You can delete or can remove File Type Associations using Registry Editor in Windows 11/10. We show you how to do this the right way.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Windows OS does not provide a GUI to dissociate file type extensions. If you need to remove file association, you can use Unassociate File Types utility.