I am working on a DGN file, and I was looking for the same symbology. Any tips would be appreciated. I was trying to format all symbols and sizes, but it is not working.
ArcGIS Pro can read DGN as a read-only CAD feature dataset, but it may not maintain the exact “same symbology” you see in MicroStation because Pro renders CAD using extracted CAD attributes (level, color, weight, linestyle, etc.), not the CAD application’s full display rules. This is a known limitation for CAD symbology preservation in Pro (documented for CAD in general; example bug for DWG): BUG-000139735. Also: Introduction to CAD data.