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 ...

Learn how to hide or show file extensions in Windows 11/10 File Explorer via Folder Options, Registry, Group Policy or CMD. It is better to set Windows to show them.

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.

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11.