I've just upgraded my OS to Sierra and have turned on the "optimize storage" option for iCloud Drive. But strangely I now get a "your iCloud storage is full" message.
When I checked my local drive, it seems the total size of all folders inside wasn't the same as the iCloud Drive information. When I dive into iCloud preferences the Document size is insanely huge. How do I find out which ones are the large files?
I don't have any large files in my Documents folder. But it's strange: