Have you ever saved a file in Windows, and after doing so disliked the name and wished you could rename it and give it a different one? Join us today in this week's Tech Tip Tuesday to find out how.

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 ...

You know those times when you want to upload a new photo to, say, Facebook or Pinterest? The typical browser-based upload tool forces you to click through countless ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...