I have started experiencing problems uploading data from my Edge Touring Plus to Connect via Express on my iMac. Garmin Express says it has synced the device, but when I open Garmin Connect none of the rides appear.
Have you tried all the troubleshooting in our FAQ:
What should I do if I am unable to sync my mass storage fitness device using Garmin Express?
If you have and the activities are still not appearing in Garmin Connect after a successful sync, contact Product Support by phone for further assistance.