How do I make a copy of my contacts on Iphone?

Remove duplicate contacts

1. Make a copy of your contacts.
2. Open Contacts.
3. From the Card menu, select Card > Look for Duplicates.
4. When asked, click Merge.
5. Repeat steps 2 and 3 until no duplicates are found.
6. Make another copy of your iCloud Contacts.

Dec 1, 2017