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The OS upgrade also includes new integration with Microsoft's OneDrive storage service.
At Microsoft's Build conference in San Francisco this week the company debuted Cortana, a voice assistant for Windows Phone similar to Google Now and Apple's Siri.
Microsoft’s just-announced Windows Phone 8.1 operating system will run on three Nokia Lumia smartphones coming out this summer. Here's a closer look.
But can Microsoft's digital assistant ever match the savvy of the Halo character by the same name?
Skype is getting even deeper integration with Windows Phone in version 8.1 including seamless voice call transfers and voice command video calls.
At first blush, Microsoft's Cortana gives Google Now a run for its money.
Microsoft made a splash on the very first day with impressive upgrades coming for Windows, Windows Phone and more.
Microsoft opens its Build 2014 conference by announcing everything from a rebirth of the Windows Start menu to universal apps.
Microsoft's fortune was built on selling its software, but now it's giving Windows away for free in the war against Android.
Microsoft revealed the grand Windows Phone 8.1 update at Build 2014, and don't let the ".1" fool you: It's a doozy.
A tax audit may hold up the entire deal until it's sorted out in the courts, according to a report.
Microsoft's developer conference will usher in the "Spring Update" to Windows 8.1, and more news on Microsoft's touch-based Office suite.
The Refocus app lets users take a photo and later choose what they want in focus
Smartphone buyers may soon have a choice between Android and Windows Phone...in the same device.
IDC reported the shift early last year.