Businesses and individuals using Google suit may need to add extra storage or services to individual users. To do this follow the below instructions:
1. Open a browser (preferably Google Chrome).
2. Make sure no other emails are logged in via the browser
3. Login to your individual email example: firstname.lastname@example.org via Gmail in the browser
4. Open another tab and goto: https://drive.google.com/settings/storage
5. Purchase the additional storage for that user.