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 ...

File extensions are the characters that precede the last period of a file name. It helps us find the type of file we are trying to open i.e. whether it is an audio file, video file, or simply a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A file’s format—the way that it’s saved and encoded ...

Want to know how to play a weird video file on your Mac? Don’t worry – there’s probably a simple solution. There are dozens of video file formats, with more being added all the time, and it’s ...