Yes, you can exchange a pre-STORIS sale using the Enter an Exchange process. The exchange process does not require entry of an existing completed order number. As long as the return and replacement product codes are being tracked by STORIS, you can indicate any order number. You must have permission to complete an exchange without the original document, via the “Enter return/exchange/dollar adjustment without original order” setting in Create a User/Group Actions – Sales Security. A prompt appears if the completed order does not exist on your system and you have the option to continue with the exchange.