If Excel files are not opening on your Windows 11 computer, you can find the reasons and the most effective solutions in this article.

Wh show you how to identify the process that is holding or locking up a file on Windows 11/10 using command-line, ResMon, Process Explorer or freeware.

You can delete or can remove File Type Associations using Registry Editor in Windows 11/10. We show you how to do this the right way.