ZDNET previewed Microsoft's upcoming Office 12, which according to some sources has been renamed to Office 2007:

Before the final product is expected to hit the shelves late next year, this initial beta version of Microsoft Office 12 reveals radical interface changes that recall the overly ambitious Microsoft Office 97 update. The changes apply to Word, Excel, PowerPoint, and Outlook, as Redmond intends to streamline your work flow, particularly for business users. The familiar File and Edit drop-down menus will disappear to make way for functions grouped within a ribbon atop each window. This banner's task-specific tabs attempt to anticipate and surface the functions you need according to your ongoing work..



Link: ZD Net