Below is a translation of the AUTODESK manufacturer’s official instructions.
The original instruction with a more detailed explanation can be found at this link >>>
Note: The given steps are necessary so that all parties involved in the project can open and see the complete DWG file – ZWCAD, older versions of AutoCAD, as well as BIM programs. Exporting the file will not change the original file!
To convert AutoCAD Architecture files, we perform the following steps.