iCloud: iCloud storage management overview
If your iCloud storage runs low, there are several ways you can increase your available space. You can:
Remove backups of iOS devices you no longer have
Movies and trailers in iMovie Theater may use larger amounts of iCloud storage than other documents. To learn more about managing movies and trailers stored in iCloud, see the iMovie Help topic about iMovie Theater on iPhone, iPad, or Mac.
Last Modified: Sep 21, 2016