Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...

If you’re faced with this The archive is either in an unknown format or damaged issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue.

A file extensions is a suffix to the filename that's used to indicate what software or program it's associated with. If the required software to read the file is ...