A file with the ARD file extension might be an ArtiosCAD Workspace file that contains a drawing or a 3D design.
ໄຟລ໌ ທີ່ມີການ ຂະຫຍາຍໄຟລ໌ ARD ອາດເປັນໄຟລ໌ Workspace ArtiosCAD ທີ່ມີຮູບແຕ້ມຫຼືການອອກແບບ 3D.