Create an Order History Report from Amazon

To create an Order History Report:

1. Go to Order History Reports in Your Account.
2. Select the report type from drop-down menu, then fill in the start date, end date, and report name.
3. Click Request Report.
4. When the report is complete, you’ll receive an e-mail notification. To retrieve the report, visit Order History Reports and click Download.

The report includes the PO number, requisitioner name, order number, order status, buyer name, approver name (if any), group name (if any), and other order details.

taken from amazon.com