Your iPhone is not your friend when you want to copy off all your contacts, but there are ways to get that data from iOS and into the more universal comma separated values format.

To import contact data from a CSV file to your iPhone, you must first import the data from the CSV file to a contact management program that is compatible with the iPhone.

Click Backup Now Check out how to back up iPhone and iPad with or without iCloud for a more detailed walkthrough with images. How to export your contacts to a vCard file on macOS ...