根据网上说的, 以下版本都可以upgrade

Microsoft Access
Access version 2002, Access 2000, Access 97

Microsoft Office XP
Office XP Developer, Office XP Professional Special Edition, Office XP Professional, Office XP Small Business Edition, Office XP Standard

Microsoft Office 2000
Office 2000 Developer, Office 2000 Premium, Office 2000 Professional, Office 2000 Small Business Edition, Office 2000 Standard

Microsoft Office 97
Office 97 Professional, Office 97 Small Business Edition (version 2), Office 97 Small Business Edition (version 1), Office 97 Standard

Microsoft Works
Works 6.0, 7.0 or 8.0
Works Suite 2000, 2001, 2002, 2003, 2004, 2005, or 2006