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 ...

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

Most of your digital photos are stored in the JPEG format (a.k.a. JPG), but when you download an image from the web these days, it may be using the more modern WebP format. It's likely you're also ...