Concepts Tasks Settings Opening a Purchase Order You can open any purchase order to review the purchasing information, or the purchase order lines. To Open a Purchase Order 1. On the site's Purchasing view, select the Purchase Orders tab, then the Purchase Orders tab. By default, this tab lists all open purchase orders. 2. You can select the All Orders configuration to list all purchase orders for the site. To quickly find the purchase order you are looking for, you can filter and sort the list on any configuration. For information on filtering and sorting tables, please see Table Configurations. 3. Double-click the purchase order you would like to open. APM opens the Purchase Order window.