In this section
Mailbox Breakdown by Size
OverviewOn-Premises Office 365
How many mailboxes are bigger than 100 MB, 500 MB or 1 GB? This is the question which this report answers. Run it and get an overview chart of the storage situation in your organization.
Use this report to obtain a synthetic overview of mailbox distribution by size or by number of messages.
Try Promodag Reports Free for 45 Days