http://blogs.msdn.com/b/sharepointdev/archive/2012/07/24/the-new-office-customer-preview-is-here.aspxOn July 16 th 2012 Steve Ballmer unveiled the new, modern Office with exciting support for developers. In this release, Office aligns with Windows 8, offering the best tools and platform to help you build the applications and solutions that you have inen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)