Explained... Your iCloud storage
1 Manage your iCloud storage
In the iCloud System Preferences pane, the Manage button loads the Manage Storage sheet, so you can see where all your space has gone.
2 Your storage in numbers
At the top left, you’ll see how much space you have free, and your total allocation. If you’re within 1GB of your allocation, it’s time to upgrade.
3 Change your plan
Click Change Storage Plan to see the upgrade options. Downgrades require a sign-in. Warning triangles appear next to tiers smaller than your current usage level.
4 Data types
From the sidebar, you can explore and delete backups, as well as get tips on clawing back space from Mail and Photo Library, by clicking on those items.
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