Microsoft is a multinational computer technology corporation that develops, manufactures, licenses and supports a wide range of software products for computing devices. Headquartered in Redmond, Washington, its best selling products are the Microsoft Windows operating system and the Microsoft Office suite of productivity software. Microsoft has footholds in other markets besides operating systems and office suites, with assets such as the MSNBC cable television network, the MSN Internet portal, and the Microsoft Encarta multimedia encyclopedia. The company also markets both computer hardware products such as the Microsoft mouse and home entertainment products such as the Xbox, Xbox 360, Zune and MSN TV.