Use this report along with Message Breakdown by Hour of the Day to schedule a system maintenance with a minimal impact on users.
Right to disconnect
Promodag Reports is the tool you need to ensure that your company complies with regulations regarding the "right to disconnect" when using e-mail. This post shows how through some concrete examples.
How to detect mailboxes with a high activity level
The maximum delivery threshold will soon be set to 3,600 messages per hour in Office 365; any emails sent to a mailbox exceeding this limit will receive a non-delivery report. This post describes how to detect mailboxes whose level of activity could lead to this situation.
Sample Report: Average Daily Traffic In Office 365
This sample report shows the average daily email traffic for all mailboxes hosted in Office 365 over a one-month period.
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