How to sync past events in your Calendar on your iPhone and Mac

Elliott updates past events in his calendar when his itinerary or other details change. However, during a recent two-week trip:
I was in a country where there were no Internet connections. When I came home, I made the correction on my iMac because I wanted to have a correct record of the itinerary changes. I notice all my devices would not update because it was a past event.
IDG iOS lets you change the look-back sync duration.To read this article in full or to leave a comment, please click here