Ever got stuck with a file that has some mysterious extension? Where no matter how much you try, the Jigsaw puzzle doesn’t seem to fit together? So, for instance, if the file has the extension ...

With nearly 9,000 file extensions listed and 50 users browsing the site on a Saturday night, the Dot What!? claims to be the net’s #1 file extension website. It offers visitors an opportunity to ...

One of our readers reported that all the file extensions have changed to some unknown file format. If so, it could be a virus! If a virus has changed all the files extensions to unknown applications, ...