Windows natively packs a ton of useful features that are either hidden or disabled by default, even though they're more than good enough to be enabled at first launch. Windows hides file extensions by ...

A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...