WindowsITPro reports Microsoft is now internally referring to Office 12 as Office Vista, making it possible that the final product will ship under the latter name. But it may also mean Office will be released at the same time as Windows Vista..
What's disturbing about this name, of course, is how obvious it is. If Microsoft does name Office 12 as Office Vista, then it may be the most telegraphed product name in Microsoft history. My guess--and yes, it's only a guess--is that they will call it Office Vista. Why wouldn't they?