Hi Denise, It sounds like you may have installed the ifc add-ons for the wrong version of ArchiCAD. Check the loaded add-on using the add-on manager on the tools menu to see if the ifc add-ons are actually loaded. The ifc add-ons are available for va...

You could always try the IFC import/export utlity. There are beta versions of IFC 2x add-ons available for both ArchiCAD and ADT 2004. The ArchiCAD version is available on the GS website at http://www.graphisoft.com/support/ifc/beta_download/ and for...