If you are using Thunderbird go to the left hand pane (All folders) and right click on the top 'Name' row you will be able to add two extra columns: No. of 'unread' items and 'size'. The size column will give you Folder / sub folder sizes. HTH
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
