What is the Account Overview report?
A time-based report showing statistics and trends for all sent campaigns within the time frame selected.
The dashboard includes Conversion Pipeline, Delivery and Tracking Statistics, Mailed and Received by Month, Subscriber Engagement, Delivery Time, Membership Count and Complaints, and Engagement Activity.
Find this report: Analytics (default view) or choose "Account Overview" from Analytics > left-side navigation
How-To: Update your time frame using the "Report Options" button at the top-right.