Microsoft Office 2003 introduced two new applications, InfoPath and OneNote. It required Windows XP or later and had minor improvements to applications like Word, Excel, and PowerPoint. Office 2007 introduced a new ribbon user interface and supported additional file formats and collaboration features. It required Windows XP SP3 or later. Office 2010 was the first version to require activation and allowed online versions of apps via browsers. It featured a ribbon interface across all apps and new editing tools. [/SUMMARY]