If you included a password when you turned the protection on, you must enter the password to turn the protection off. Worksheet Level Protection You can protect a single worksheet from being modified by another user. The Protect Sheet dialog box appears. The worksheet is protected. The worksheet is unprotected.
Users can now modify the worksheet.
If you included a password when you turned the protection on, you must type the password in the Password text box to turn the protection off. You have two options when saving your workbook file with a password. You can save the file so only those who know the password can open the file, or so only those who know the password can modify the file. As dialog box appears. The Save Options dialog box appears.