Home Excel 2003 Password Protect Your Workbooks With a Password
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Protect Your Workbooks With a Password
- Click the Tools | Options.
- In the Options dialog box, click the Security tab.
- Type your password in the field to the right of Password To Open. (The password is case sensitive!).
- If you click the Advanced button, you can choose from a number of different encryption methods, making your password harder to break. Click OK to set the password.