Excel is used to store analytical data whether it is a report or important contacts of an individual. But you can’t have all the contacts on your iPhone unless and until you save each and every contact from the excel sheet to your iPhone. You can open an excel sheet with contacts on your iPhone but can’t have all those contacts in your iPhone Contacts App. Therefore, here you can see how to import contacts from Excel to iPhone contacts if you have the excel sheet on a mac device. You cannot have all the contacts unless and until you convert the excel file to vCard.

read more:- https://www.macsonik.com/blog/import-excel-contacts-to-iphone-on-mac/