I have a GPSMAP 67 and Sonoma 14.5
My synchronisation between GPSMAP 67, iPhone 11 Pro, and Macbook is OK.
I use Brave Browser to export my files from GPSMAP 67 to Macbook to import my GPX files on Basecamp.
I get explore.gpx files and I can't import them in BaseCamp.
Have you a solution ??