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

Whether you use the Excel apps on Windows and Mac or Excel web on a Chromebook, check the top ways to password-protect an Excel spreadsheet.

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

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

In Word, Excel, or PowerPoint for Windows, open the file you want to protect with a password, then select File and Info. You should see a Protect option at the top of the next list: Click this ...