Just as RSA is interoperable with REVIT and AdvanceSteel, the use of IFC in both import and export improves the possibility of massive user use of structural engineering.
Although it appears in the opening options it does not work for several versions.
RSA's newest functionality, Load Takedown Building Design, would make much more sense, important IFC and not just native Revit and AdvanceSteel.
More and more the BIM concept is introduced in the structural environment and a software as powerful as RSA can not be outdated