If you use Apple Music a lot, it could take up several GB ( How To Transfer Music from iPhone to Computer for Free).įortunately, all these unnecessary files, junk data, and caches can be cleared regularly to free up space on your limited storage. When you stream music using Apple Music, iTunes caches files on your computer. It might include photo galleries, deleted scenes, exclusive interviews, or behind-the-scenes footage. When you buy the HD version of a movie with iTunes Extras, you get special features along with your movie. If you upgrade iOS version on your iPhone, iPad with iTunes, the downloaded iOS update file will be useless once you finish the upgrade. You can locate unfinished downloads by scanning iTunes library. If you used to create device backup with iTunes, some backup procedures may have unexpected interferences ( How To Transfer Files Between iPhone and Mac). You may have updated your Apple devices for many times in recent years. Give a check on the following types of iTunes leftover data in macOS Catalina.

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