http://www.zwsoft.com/forum/viewthread.php?tid=2349 I have zw3d file .I want Import to Step file but My ZW3D license expired.Please help me Import to Step file for me.Thanks! delete4105 2012-07-26 11:40:23 http://www.zwsoft.com/forum/viewthread.php?tid=2349&pid=15583 Kinda confused. You have Z3 file but need to import? Do you mean export...? License has expired - trial license? Solution - get a proper license then you can export/import etc as much as you like. Cheers mudcrab 2012-07-26 18:47:13