Enlarge / Pictured: a full set of Office 365 icons on the taskbar. Not pictured, for good reason: "Cortana, play Old Town Road." (credit: Microsoft) Today, Microsoft announced a major shift in focus for its personal assistant, Cortana: she's getting out of the consumer gadget business and focusing on productivity. The new version of Cortana will debut with the next major update to Windows 10, expected to roll out in April. Microsoft is tightening access to Cortana considerably.