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 ...

We show you how to open files with no extension in Windows 11/10. You can try these tricks or use one of these free software or online tools.

How to show and change file extensions in Windows This process uses screenshots from Windows 10, but the process is the same for Windows 11 and most other versions of Windows.

FileTypesMan allows you to view, add, remove edit file extensions and types on Windows 11/10. You can always manually set or change File Associations & Extensions.

Changing file formats in Windows 11 can be done via File Explorer for quick swaps. Command Prompt offers a trickier method to alter file extensions, but it must be done carefully.

Although some Explorer views eliminate the need to reveal file extensions, the options is there if you want it.

Tired of digging through dialog boxes to show file extensions and hidden files? Try adding those options from the ribbon to the Quick Access Toolbar so they're always visible.