Microsoft Office is the essential office package and office programs for Windows, and since Office is developed by Microsoft, it is perfect for Microsoft Windows. Several versions of Microsoft Office have been released, both for Windows and Macintosh, such as Office 2010, Office 2013, Office 365 and Office 2011 for Macintosh, as well as the brand new series of Office 2016 software products for both Windows and Macintosh. All versions of Microsoft Office have as a base the modules Microsoft Word, Microsoft Excel, Microsoft PowerPoint and Microsoft OneNote. For additional modules, choose the more advanced versions where, for example, Microsoft Outlook is only available in the Business and Professional editions.