At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

If multiple users work in the same Microsoft Excel file, you can limit their access to only the ranges where they need to work.

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