Microsoft Office 2010 (also called Office 2010 and Office 14) is a version of the Microsoft Office productivity suite for Microsoft Windows. It is the successor to Microsoft Office 2007 and the predecessor to Microsoft Office 2013. Office 2010 includes extended file format support, user interface updates, and a changed user experience. A 64-bit version of Office 2010 is available, although not for Windows XP or Windows Server 2003. On April 15, 2010, Office 2010 was released to manufacturing. The suite became available for retail and online purchase on June 15, 2010. Office 2010 is the first version to require product activation for volume licensing editions. In Office 2010, every application features ribbons in its user interface. As of December 31, 2011, almost 200 million licenses of Office 2010 have been sold. Office 2010 is the last version of Microsoft Office with support for Windows XP, Windows Server 2003, Windows Vista and Windows Server 2008.