upgrade version designed for those computers with windows server 2003 or later and windows xp sp2 and later includes the 2007 versions of excel, word, powerpoint, and outlook create high-quality documents and presentations, build powerful spreadsheets, and manage your e-mail messages, calendar, and contacts offers improved menus and tools; enhanced graphics and formatting capabilities; new time and communication management tools; and more reliability and security features the ribbon, a new device that presents commands organized into a set of tabs, instead of traditional menus and toolbars