How to Insert Auto Numbering in a Header for Excel 2003

1. Run the Microsoft Excel 2003 application, and open the workbook that you want to edit.
2. Click 'View' in the menu bar, and then click 'Header and Footer' in the drop-down list.
3. Click the 'Custom Header' button.
4. Click the section of the header that you would like to add automatic page numbering to.
5. Click the '#' icon to add automatic numbering to the specified section.
6. Type any additional text that you want to display in the header, and then click 'OK' twice to save your header changes.