If you are upgrading your PC, there's an easy way to keep all the settings you have in Microsoft Office. The How-To Geek site explains how to save and restore your MS Office 2003 settings on another computer.
The tool you need is the Microsoft Office 2003 Save My Settings Wizard, which is located in the Start menu, Programs, Microsoft Office, Microsoft Office Tools folder by default. The wizard can create and restore from an .OPS file that contains all your settings. Save that file to a network share or thumb drive and you'll be set once you get your new computer.
Save and Restore Your Microsoft Office Settings - the How-To Geek