How to transfer music from iPhone to iTunes by copying iTunes backup files? (on PC) Next up are the steps to sync iPhone to a new Windows/Mac computer without erasing. To start things off, you first need to head to iTunes > Preferences > Advanced > click "Keep iTunes Media folder organized". Want to sync iPhone to a new computer with iTunes in another way? OK, you can do this by copying iTunes backup location/folder. #2: Back Up iPhone to New Computer without Losing Data by Copying iTunes Backup Folder
( how to add music to iPhone without deleting music already on it?)
With manual sync, you could transfer music and some other media files to a new computer without losing data. This feature can be convenient if you don't have access to your default computer. So, how to sync iPhone music without erasing? It is feasible in the case that you set iTunes to manage music and videos files manually. Will syncing my iPhone to iTunes erase everything? Well, it depends.
#1: Sync iPhone with New Computer without Erasing from iTunes Summary