Posted by dellus on Dec 14, 2019; 1:30pm
URL: https://forum.librecad.org/file-dwg-wont-open-file-dxf-opens-but-can-t-see-on-the-screen-tp5718133p5718139.html

The dxf works, it's just out of sight, do an Auto Zoom, and it's there.

The dwg indeed doesn't. DWG import is experimental, may work or not. Maybe LordOfBikes will be able to tell more.
Best save in Draftsight as DXF 2007 or use an external tool like Theiga file converter.