A DWG (AutoCAD) file is a proprietary file format used by Autodesk's AutoCAD software for storing 2D and 3D design data.
Ensure the parametric features or imported bodies didn't break during the import phase.
: To interact with the "intelligence" (metadata and connections) inside a ZW1 file, you typically need the EPLAN software . How to Convert ZW1 to DWG