Editing Default Programs in Windows is tricky. If you don’t want messing up with the registry, there is an easier solution.
Download the Default Programs Editor. This programs allows you to change a lot of recommended programs options, like”
-Add, edit, and remove context menu items
-Edit file type icons and descriptions
-Change the ‘Open with…’ programs list
-Change an extension’s associated file type
-Add, edit, and remove autoplay handler programs
-Disable “Search web for unknown extension” dialog
A handy program indeed. If you liked it, feel free to donate to the author.