Autodesk wants you to move here. While Fusion 360 is primarily a parametric mechanical CAD, the "Manufacturing Extension" adds capabilities like "Steep and Shallow" and "Morph" toolpaths that attempt to mimic 3D relief.
A: Mostly, no. .ART is a proprietary format. However, Carveco has the best compatibility because of the shared history. Vectric Aspire can import 3D models (STL/OBJ) but not the native layer structure. Export your old ArtCAM jobs as STL or DXF now while you still have the old computer running. autodesk artcam alternative