The simplest way to change a file extension in Windows 11 is directly in the file name location. Windows does not display file extensions by default, so you need to enable this option before ...

An mp4 is a video file type, but the .mp4 in the file name is the file extension. Usually, these things should match, but it's possible for that not to be the case.

We show you multiple ways using which you can change File Type.r Extensions or Format on Windows 11/10. You can also use the Command Prompt.

On Windows 11, you can change the format of a file in multiple ways through File Explorer, Command Prompt, and from a compatible application. In this guide, I'll show you how.

If you're using Microsoft Windows, the default setting is to not display file extensions, but turning on this option is a simple process.