I use my Mac in a multi OS environment (i.e. with Windows) and whenever I take a screenshot (Cmd-Shift-4) intended for a PC user, I have to go to information and tell the OS not to hide the extension ...

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 ...

Looking for a photo? Need a quick peek at your documents? File Explorer can help you get it done—if you know these tricks.