[iMore.com]

If you use an iPhone, iPad, or Mac with Documents in the Cloud, you can use up a lot of your iCloud, you can use up a lot of space quickly. Since Apple only provides a paltry 5GB for free, and only 50GB maximum, it pays to clean it out as often and as well as you can. Luckily you can delete documents and data stored in any app right from your iPhone or iPad, even if you saved it in a Mac app.

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