Royal Mail Click and drop - What order

Hi! To clarify, do you have the Click & Drop app installed on your Shopify store? If so, their app documentation mentions that they are “only able to import Shopify orders that are in ‘Unfulfilled’ order status, ‘Paid’ payment status, and no older than 7 days old.” It sounds like you’ll need to fulfill the orders from the Click & Drop app first, and that should automatically mark them as ‘Fulfilled’ in your Shopify admin. Since this is a third-party app, I recommend double checking with the app developer first.