Learn how to remove or delete undeletable or large files, folders & subfolders quickly & permanently using the Command Prompt in Windows 11/10.

Format or delete C drive with using Command Prompt (CMD). This allows you to remove all data and reinstall Windows 11/10.

Use Command Prompt to delete a file If you are unable to delete a file in the traditional way, i.e., by using File Explorer, try deleting that file using Command Prompt.

From the command line, type "backup.bat" and the batch file will run your specified commands: first, copying all files from that directory, then renaming them to remove the extensions.