Does anyone know of a way to make Microsoft Outlook 2003 look like Microsoft Outlook XP?

I work as a consultant and I recently upgraded someone from Office XP to Office 2003 due to software errors. Now the client wants the new software to look like the old software, I explained that Microsoft will change the way things look and it isn’t my fault. Any idea’s on add-ons or anything to make the display changes. Basically some items that were previously on the right-side pane are now on the left, such as ‘calendar’ and what not.