How to Unprotect a Microsoft Excel Document

Microsoft Excel 2010
1. Click the 'File' tab and click 'Open.' Navigate to the file you want to unprotect, select the file and click 'Open.'
2. Select the “Review” tab on the ribbon at the top of the screen, and click “Unprotect Sheet” from the Review menu.
3. Enter the file’s password if prompted to do so.
Microsoft Excel 2003
4. Click “File” on the toolbar and then select “Open.” Navigate to folder that contains the protected spreadsheet. Select the file and click “Open.”
5. Select the “Tools” drop-down menu, select “Protection” and choose “Unprotect Worksheet.'
6. Enter the file’s password if prompted to do so.