As per Neowin reports, Microsoft Office 14 screenshots were leaked by a Russian website. Office 14 was provided to select alpha testers by Microsoft. I am not sure if these screenshots are real or fake ones. From what appears in the screenshots, the UI looks pretty much the same. It’s quite possible that the UI hasn’t been upgraded in this release yet.
According to Alpha testers Microsoft is targeting a 2009 release and Office 14 could still be named Office System 2009.
Below are some of the screenshots of Office 14: