A file extensions is a suffix to the filename that's used to indicate what software or program it's associated with. If the required software to read the file is ...

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 ...

If you have tried to install an app on you Mac and been greeted with a warning that it is from an unidentified or unknown developer you may be wondering is it is safe, whether you should install it, ...

Most people are conditioned by now to not open unknown file attachments—especially file attachments on emails from unknown sources. Just in case you somehow missed the memo, though, there is a new ...