Windows won't let you delete, move, or rename a file if a program is using it. Frustratingly, it also won't tell you which program is using the file so that you can solve the problem.

Learn how to delete files older than X days (say 7, 10, 30, etc. days) automatically using Storage Sense or ForFiles command line in Windows 11/10.

Wondering what really happens when you delete a file on Windows? Learn how deletion works, where files go, and if you can recover them.