Zamen | زامن
How to remove and merge duplicate contacts
You've probably experienced the frustration of duplicate contact cards at one time or another and the more contacts you have (especially if the duplicates have different information) the more of a headache it can be.
Luckily there are a couple easy ways to remove duplicates whether you have your Mac with you or not, as well as a way to merge contact card data. Follow along for how to make quick work of cleaning up your contacts.
Strange enough there isn't a way to select multiple contacts in iOS, so using your Mac is the most efficient approach and there's a handy tool built-in with macOS. Don't forget to make sure you've got a copy of your contacts backed up somewhere before making changes, otherwise, let's dive in.
Start by launching the Contacts application. Make sure All Contacts is selected in the top left corner of the window (this will include local and cloud stored contact cards).