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 want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both in Excel Online. That said, you do not need to rely on other ...

Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files. Our team tests, rates, ...