Within Windows XP it is so easy to delete an file extension:
But in Windows Vista/7 this is not so easy anymore:
Maybe it is concerning security or system stability, but whatever it is, it is a drawback for IT professionals…
So how to delete it?
There are two ways:
1.) Search the whole registry for that file extension and delete the entries or delete that extensions at this common file extensions places:
2.) Use UNASSOC (<-Click to reach the download page):
REM: Some users state that ASSOC and FTYPE within the Command Prompt should help too but I cannot confirm that…