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 ...

With the release of Safari 5, Apple introduced a much-requested feature — extensions. Extensions are a better way to add those little missing features than the old and complex plug-in approach.

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 ...