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.

In this guide, I'll outline how to rename one or many files in bulk using File Explorer, PowerShell, Command Prompt, and PowerToys on Windows 10.

Change a File Extension the Easy Way The simplest way to change a file extension in Windows 11 is directly in the file name location.

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.