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 ...

This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and file types. Change a File Extension the Easy Way The simplest way to ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...

A: A few weeks back, one way I suggested to protect yourself from unleashing a virus is to be weary of unknown file types. I recommended to not open unknown files with the following extensions: .exe, ...

Windows doesn’t always “just work" — but with a little touch of tinkering, you can fix most of its unfortunate choices. A modern Windows PC works without much tweaking — mostly. But some settings out ...