Add tracking numbers to fulfilled orders
To add a tracking number to an order that has already been fulfilled:
From your Shopify admin, click Orders (or press
Click the order number for the order you want to add a tracking number to.
In the Timeline section, click Edit tracking:
In the Edit tracking information dialog, select your shipping provider from Shipping carrier the drop-down menu.
Enter the tracking number in the Tracking numbers text box:
Click Save to confirm your changes.