Learn how to rename all file extensions in a folder & sub-folders at once on Windows 11/10. You can batch rename or rename all file extensions in bulk using this guide.

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.

Need to rename a bunch of files in Windows? File Explorer can help. But you’ll find more options with the PowerToys PowerRename tool or a third-party utility.

The Command Prompt simplifies editing file extensions for multiple files at once, as long as they're in the same folder. Use asterisks (*) to avoid specifying each file by name.