Office as a one-time purchase includes applications such as Word, Excel, and PowerPoint for use on a single PC or Mac. The applications are not automatically updated; to get the latest version, you must purchase Office again when the new version becomes available. Current Office application versions available for one-time purchase are Office 2016 for Windows and Mac. Previous versions include Office 2013 , Office 2011 for Mac, Office 2010 , Office 2007 , Office 2008 for Mac, and Office 2004 for Mac. Office 2010 and Office 2007 are compatible with Windows and earlier. Office as a one-time purchase does not include any of the services included in Office 365. Learn more about the difference between Office 365 and Office 2016 .