How to protect w&wo password

1. Click the office button and then click save as
2. Click the tools button in the save as dialog box
3. Then click General Options on the tools menu 
4. after it displays the general options dialog box just type the passwords that you want on the workbook.
5. Click Ok
6. Then excel displays a confirm passowrd box and just re enter your password 
7. click ok
8. and then click ok in the save as box