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 ...

One of the easiest ways to render your computer unusable is to mess with the operating system’s files and settings–one accidental deletion of a single file can ...

You're probably aware that most files have an extension such as TXT or EXE after the file name, even though these are not always displayed in Windows. File extensions are how Windows knows what to do ...