1. Simplest way is to create OOTB designer workflow in list A which will trigger on Item adding event and copy the item to List B.
2. If you have coding background then you can try using event receiver option too.
3. If we are talking about very large no of data being copied from list A to B then go for Timer job.
Asked in February 2016Viewed 1,907 timesVoted 14Answered 1 times