Syncing is a great way to back up your iPhone. While Apple encourages you to use iCloud, it’s not the only way to sync songs, playlists, albums, movies, TV shows, audiobooks, books, and podcasts. Learn how to sync your iPhone with a Mac running macOS Catalina or later, and with any computer running iTunes.
How to Connect Your iPhone to Computer and Laptop – Complete Guide
The first step to syncing your iPhone with your computer is to plug the cable that came with your iPhone into a USB port on your computer. The other end plugs into the Lightning port on the bottom of your iPhone.
Open a Finder window.
In the sidebar, select the iPhone or iOS device you're using.