A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to ...

It is possible to create a macro in an Excel sheet that unlock the sheet which is already protected by a password. Users can easily prepare a document in the sheet and then lock it again with a ...

Not only does it allow you to share an Excel sheet and all its corresponding data without worry over whether someone will change ... the "Protect" tab under "Review" — and re-enter your password.