

The last cumulative update for Office 2003, Service Pack 3 resolved several compatibility and stability issues with Windows Vista and later operating systems. Service Pack 1 for Office 2003 was released on July 27, 2004, Service Pack 2 was released on September 27, 2005, and Service Pack 3 was released on September 17, 2007. It is listed as being "Not Compatible" with Windows 8. It is the last version of Office compatible with Windows 2000, as Office 2007 requires Windows XP SP2 or newer.

Office 2003 runs only on NT-based versions of Windows it is not supported on Windows 98, Windows Me, or Windows NT 4.0. Office 2003 was the first version to use Windows XP style icons, visual styles and colors.

OneNote is a note-taking and organizing application for text, handwritten notes or diagrams, recorded audio and graphics, and InfoPath is an application for designing, distributing, filling and submitting electronic forms containing structured data. A new Office logo was debuted, as well as two new applications: InfoPath and OneNote. Microsoft Office 2003 was released in October 2003.
