Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!

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 ...

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If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

Microsoft Excel has several features designed to help you recover unsaved versions of files and prevent data loss.

Didn't save your Excel workbook on a Mac? Here are four methods for recovering lost or unsaved Excel files on your Mac.