Please also note this related thread here: Save / Load a Flight (including Flight Plan) - MSFS Flight Planner (now EFB-) functionality for more details, which as been open a long time about this issue.
Please also note this related thread here: Save / Load a Flight (including Flight Plan) - MSFS Flight Planner (now EFB-) functionality for more details, which as been open a long time about this issue.