About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
I am trying to import a dwg file, but it is incompatible. I tried opening same file with AutoCAD 2000, and it did not open. Thus I am assuming it is in 2004 format. How can I import and export into AutoCAD later format? Is there an add-on for PM9 to make this import work?