Windows Vista users on the desktop will be able to swap music, pictures, movies and Outlook information between the Vista PC and the mobile device.

Windows Live will integrate mail, messenger, search, contacts, and spaces.

Call history is now placed inside the individual contact card.

Enderle said that although there was "a lot of great stuff" in Mobile 6 Microsoft still has to focus on ease of use.

"Compared to the Apple iPhone with its simplified interface, Mobile 6 is still complex to use," Enderle said.