You can get to this report using the navigation bar.
This report shows the total number of emails sent and received via webmail for each employee as a pie chart. For each email provider used the overall percentage of emails sent and received will be displayed.
You can filter the data by selecting a start date and end date or choosing one of the displayed date frequencies (e.g. last 7 days) using the calendar buttons displayed on-screen to quickly find the information you are looking for.