Instructions to configure with HTTP transport instead of File are below.
Please note you'll have to change the hostname for each environment in this end-point.
If you'd rather just use the File transport, you could point the files to /dev/null (Unix Env) so the order data isn't written to a physical disk location. I am sure there is a way to do that in windows but you can also alternately use HTTP transport and do the steps below.
This screen in commerce administration console is used to select the out of the box out bound message (Message for external order system) . Click the check box and select change.
This is step is used to setup the transport for the message
On localhost: http://localhost/webapp/wcs/stores/servlet/Services/OrderTransferResponse.jsp
and on Server environment