Order History lets you look over your previous orders. From there, you can put individual or all items from those orders into your cart or lists. You can use the search functionality to look up orders by the Order #, PO#, Ordered By, Job Name, Status, or Date Range.
By default, Order History will display up to 32 previous orders. You can adjust this by the "items per page" dropdown.
Clicking on the Order # will allow you to look over the order.