DXF (Drawing Exchange Format) and DWG (AutoCAD Binary File Format):
If the native plugin continues to fail, specialized third-party tools can provide similar or enhanced DXF/DWG support: dxfdwg.aip download
OS Incompatibility: Updates to Illustrator's underlying CAD engine (like RealDWG) may require newer operating systems (e.g., macOS 10.15+). DXF (Drawing Exchange Format) and DWG (AutoCAD Binary