wondering if you could help out again!C5IJ0016.zip
This will work - C5IJ0016-fixed.fit
See tips - Trouble syncing
Add a weekly cleanup procedure of the ACTIVITY folder to your agenda using these directions - Removing Recorded Activities to Free Up Space
BTW, I noticed that the last version of Garmin Express (v7.13.0.0) finally cleans up the Activity folder after the sync automatically. At least with my Instinct 2, but I suppose it is a general functionality. So make sure to update GE, and use it frequently.
the last version of Garmin Express (v7.13.0.0) finally cleans up the Activity folder after the sync automatically
Yes. Discussion here - Garmin Express 7.13 deleting activities - Garmin Express Windows