Altium Schematic To Kicad

Schematic
1

I’m using Kicad version 9. When I import an Altium Schematic into Kicad, it turns ports into Power symbols rather than Global Labels.
The Altium schematic is a flat design with multiple sheets using ports as global, and I believe that to import flat Altium designs, each sheet must be imported directly as separate projects, then the sheets need to be added to a main Kicad schematic sheet in a new project. This is okay, but it would be better if the schematics had the ports as Global Labels rather than Power symbols - the Global Labels could have inter-sheet references whereas the Power symbols cannot.
So here is the question:

  1. Is there a way to coerce the Kicad importer to import Altium ports as Global Labels rather than Power symbols?
  2. Or is there a way to easily change Power symbols into Global Labels in Kicad?
    Thank You,
    THS
2

It turns out the Altium schematic I was importing did not have ports; it had Orcad-style offsheet labels ( -<< net_name ). I changed the them to ports in the Altium schematic, and they imported as hierarchical labels in the Kicad schematic. It was then fairly painless to highlight them all, then do the context menu ‘Change to’ option to change them to Global labels.
So it appears that Altium offsheet labels will import into Power symbols, and ports will import into hierarchical labels in Kicad.

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