Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

File extensions are the characters that precede the last period of a file name. It helps us find the type of file we are trying to open i.e. whether it is an audio file, video file, or simply a ...

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 ...

Windows only: While Windows Explorer can sort files by type, by default it doesn't display or sort files by extension in a separate column—but the Extension Column add-on does just that. Install this ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...

Once you've opened up the no-install-required application, just browse down until you find the file extension you want to hide, double-click on it, and then check the box for "Don't add this file type ...