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 ...

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 ...

Whether it be because you suspect a Chrome extension is malicious, you want to create a backup of a favorite and discontinued extension, or you just want to see how the extension works, knowing how to ...