Have a pc with Office XP Pro and Office 2003 on it. All running on XP; Have new copy of Office 2007 Home and Student since I am a charter school tutor and a community college instructor. Anyway, the old programs hold a lot of disk space and I'm wordering if I can uninstall the old ones, then install the new one without problems. my disk space is limited so i'm trying to clean up some space...thks