To cancel a fulfillment on a Shopify order open the order from the Shopify Admin and click the 3 dots as shown. Select the 'Cancel Fulfillment" option to cancel the fulfillment: Related ArticlesPrinting Labels and Fulfilling OrdersMyPost Business - Payment by PaypalMyPost Business - How to Print Multiple Labels per Order or Partially Fulfill an OrderVideo - Overview of the Australia Post MyPost Business app for Shopify.Video - How to change 'City' to 'Suburb' in Shopify checkout