To enable workbook protection for the current document:
| 1. | Choose the ribbon command Review | group Protection | Workbook protection  . |
| 2. | If desired, enter a password that must be entered by the user to disable workbook protection. |
| Leave blank if you do not want to assign a password. |
| 3. | Confirm with OK. |
Workbook protection is now enabled. Users are no longer able to add, delete, rename or hide/unhide worksheets, etc.
In addition, most of the options in the dialog box of the command File | Properties are unavailable.