WDriven is a Microsoft WORD document template integrated with Microsoft Team Foundation Server. It enables you to communicate and collaborate on Visual Studio 2005 Team System projects from within Microsoft Word.
Through VSTS Smart Tags, you can add/edit/track work items.
Tables of Items gives you an overview on all the works items referred by your documents.
WDriven doesn't impose any special format on your word documents. You can add Work Item Tracking to your existing regular doucment easily.