Today Microsoft announced that it will begin technical previews of "Office 15" – the code name for the next version of Microsoft Office. The next version will “update our cloud services, servers, and mobile and PC clients for Office, Office 365, Exchange, SharePoint, Lync, Project, and Visio. Quite simply, Office 15 will help people work, collaborate, and communicate smarter and faster than ever before.”

 For the full details, check out the Microsoft Blog