October 2014 Microsoft announced unlimited storage for all Office 365 customers. In the next couple of months all accounts will be upgraded from 1 TB to unlimited storage. When you want to check how much storage your Office 365 has in use, you can check this following these steps :
First login to the Office 365 portal :
Go to the Onedrive menu :
Go to Site-instellingen (Site-settings) :
Go to site collection services :
(Dutch menu)
(English menu)
And there you see the consumed storage :
