Model/3D Formats Saved by ARCHICAD
IFC (.ifc), IFCXML (.ifcxml), IFCzip
IFC stands for Industry Foundation Classes.
To read more about IFC, see Working with IFC, or download the IFC manual from: http://www.graphisoft.com/support/ifc/downloads/
Structural Analytical Format (.xlsx)
Use this to export the model to structural ...