After you create and save an order, you can change any settings for it, except for the Advertiser setting in the edit order screen for the one you want to modify. In addition, you can change the name or status of an order directly in the list of orders, or you can change the status of multiple orders at once.
Changing the status of an order may affect order processing.
To edit an order:
In the list of advertisers on the Orders tab, click the link for the advertiser that you want to view orders for. This opens the Orders tab in the view advertiser screen for the selected advertiser.
Click the edit icon. This opens the edit order screen.
Change any of the editable settings for the order, as necessary.
Note: If there are any line items already in the order, you cannot change the order start date to a date that is later than the start date for one or more of the line items.
Click Save. This updates the order and returns you to the previous screen. A confirmation message for the updated order appears at the top of the screen.