Wait for iTunes to complete your sync, and go ahead and toggle iCloud Music Library back on. A pop-up dialog box will appear asking if you want to keep your music or delete and replace.

With your iPod/iPad/iPhone connected to your Mac, click on the device in iTunes, then click on the Music tab. You’ll see options to sync your entire music library, or selected playlists, albums ...

If you own multiple Apple devices, or even Windows or Android devices, you can sync your Apple Music library across all of them. Here's how.

Click "OK." Click "Apply" to sync your iPhone to the new computer. Manually add content by dragging items from your iTunes library to your iPhone in the Devices section.

With the iTunes Media folder stored out of Dropbox, you won’t be able to sync your devices on all your computers. That’s one of the main points of this article. What I did is fairly simple: I moved ...

One frequently lamented iPhone omission is the inability to synchronize media with two separate computers, containing two separate iTunes libraries.

If you transfer iTunes movie purchases from Computer to iPhone 6 (Plus), it’s much easier. But for iTunes movie rentals, once you transfer them to your iPhone, they may be moved from the computer.