http://bit.ly/J2h0LQ<br />Revit files are now supported natively in Navisworks and therefore can be opened, appended and merged<br />like all the other file types supported. Additionally the ability to view and use the Revit File Hierarchy<br />within your workflows has been added. Take advantage of the Revit category, family, type and instance<br />information for selection, search and creation of sets.