If you are using the Professional or Premium version of One Stop Order
Processing, you are able to mark your orders as shipped in One Stop
Order Processing and your selling channels simultaneously.
To mark your orders are shipped you need to tick your orders and click
the ship orders page on the main OSOP page. However firstly you will
need to setup the process for each selling channel.
Once you have processed your orders you can set various shipping
Websites to update when orders...