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.

Changing one file type The quickest method to change a single file type is to do it from the Open With menu. If you want to change more than one file type at a time, skip to the next section.

You can change the default application for a single file, or change it for all files of the same type in the Info window.

Learn how to change the default file format for saves in Word, Excel, and PowerPoint, so that you do not need to change it every time.

There's another way you can change a file type's associated app in macOS: Right-click (or Ctrl-click) on the file in a Finder window and select Get Info.