If you see the “The file couldn’t open in protected view” error while opening Microsoft Excel, the solutions listed in this post may help you resolve the issue ...

A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...

Microsoft Office 2010 knows there are Word-based macro viruses out there. It's so protective, in fact, it can be a bit annoying when you're trying to open Outlook attachments from co-workers. Tech ...