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 ...

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 ...

Windows only: When you've got a file with an extension you don't recognize, the free command line tool TrID can help. We've covered how to use the web to find out what kind of file you have, but TrID ...

Last week I covered some basic file management tips in “Windows Explorer Explained: Tips for Newbies“–and the article was so popular that I figured I should just keep going. So this week I’ll stick ...

In iOS 16.0 and later, you can make Apple's stock Files app display file extensions for items in the currently viewed folder. Keep reading to learn how it's done. The only issue until recently was ...

Xvid is rarely used these days, but that means it can be hard to know what to do with it if you come across it while digging through your old files. It’s essentially a method for compressing video, ...

While your business may use Linux to power its web servers, databases or high-performance supercomputer, occasionally all you need to do is print a letter or memo. You find, however, that new printers ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Being unable to open files as usual is one of the most frustrating ...