On April 15, 2010, Microsoft Office 2010 was released to manufacturing and on June 15, 2010, it was finally made available for retail. The RTD (research and technological development) of Office 2010 had begun in 2006 before Office 2007 was even released. Microsoft Office 2010 is an upgrade to Office 2007, and was released before Office 2013. Microsoft Office 2010 is the popular Microsoft Office productivity suite for Microsoft Windows which contains well known office software such as Microsoft Word, Microsoft Excel and Microsoft Powerpoint.