https://forums.autodesk.com/t5/navisworks-forum/materials-missing-from-simulate-to-freedom/m-p/5783122#M18662 <P>Kindly try publishing the NWD file rather then saying as NWD.</P> <P>This might include the material in the file.</P> Sat, 22 Aug 2015 11:01:52 GMT sureshchotrani 2015-08-22T11:01:52Z