Key Takeaways : Excel spreadsheets can be protected by Edit Ranges, Sheet Protection, Workbook Protection, File Modify Password, VBA Project Password, and File Open Password.

This guide will show you how to safely unlock your password-protected documents — including PDFs, Word, and Excel files — using Wondershare Dr.Fone.

By default, Excel 2007 allows you to opens workbooks created in Excel 2003 in compatibility mode to preserve the integrity of older file versions. You can edit and save Excel 2003 files in Excel 2007.