How to change the file extension for multiple files at once If you have a folder full of files that need new extensions, then you can use the Command Prompt to change multiple file extensions at once.

This tutorial will show you how to Select, Copy and Paste, Delete, Rename multiple files and folders on your Windows 11/10 PC easily.

This new addition, “PowerRename,” gives you a simple method for batch-renaming files within File Explorer. It’s free, easy, and worth the 10 seconds it takes to install on your system.