To export the reports, please follow the below mentioned steps
1. Go to Delivery Reports.
2. Select ” Custom Range” in the days filter, and select your start and end date.
3. Click on Show Report and then Export.
4. Select the check box for the Different Status in the View Summary option you want in your reports.
5. Once you click on Export the reports will be sent to your registered Email id else you can also download the file directly under the Exports Option under Delivery Reports.