If asked, tap “Trust This Computer” on your iPhone screen to go on. Now let’s see how to use iTunes to sync contacts from iPhone to Mac without backup. Before you decide to adopt this way, please put in mind that if you deleted the contacts that have been synced from the iPhone to Mac via iTunes, they would be automatically deleted from your iPhone the next time you sync your iPhone to Mac via iTunes. If you use macOS Catalina, you can use the Finder. If you use macOS Mojave or earlier, You can use iTunes to import the contacts from iPhone to your Mac without iCloud.
Like iCloud, iTunes is the other frequently-used service for Apple users.
Method 3: Transfer iPhone Contacts to Mac via Jihosoft iPhone Data Recovery Method 2: Get Contacts from iPhone to Mac with Airdrop Method 1: Import Contacts from iPhone to Mac Using iTunes or Finder