Extended support for CAD files to STEP file types. Import/Link STEP files or Export 3D views to STEP files.
Import/Link STEP files
Import/link STEP files directly into your Revit models. This includes .step, .stp, and .stpz files. When linked and imported the STEP file is treated as a 3D Shape. See About Importing 3D Shapes.
Export STEP files
Export STEP files from 3D views of your Revit models. Save export setups for future use in the export dialog. See Export to SAT/STEP.