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 ...

Every day, we come across different types of file extensions while working on a computer. The file extensions tell an operating system about the type of file so that the OS could select the right app ...

In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension is not associated with a program, however, ...

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this. Windows uses a file’s extension–the part of the ...

One of the easiest ways to render your computer unusable is to mess with the operating system’s files and settings–one accidental deletion of a single file can ...

Files with the .avery file extension are created by Avery's Design and Print Online Web application. You can't double-click these files to open them; you must open them from Avery's Web page. If you ...

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 ...