How to Change the Macro Security Levels on Excel 2003

1. Open the Microsoft Excel 2003 application on your computer, and then click the 'File' option from the top toolbar menu.
2. Click the 'Open' option, and then select the Excel 2003 document you want to work with. Click the 'Open' button.
3. Click the 'Tools' option from the top Excel toolbar menu, and then click the 'Options' button.
4. Click the 'Security' tab in the new dialog box that appears on the screen. Click the 'Macro Security' option.
5. Select the 'Security Level' tab and then select the 'Very High', 'High', 'Medium' or 'Low' option. Click the 'OK' button and close out of the dialog box.