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.
Can anyone tell me whether you can save an ArchiCAD 13 file to ArchiCAD 11. I am working on AC11 and have received files created in AC13, however cannot obviously open. Is it possible to convert? I have seen converters for earlier files, but not for converting to older version.