You can choose whether to let customers install the Shop app directly from your store's order status page. Regardless of whether you add this option to your online store, customers can still use Shop to track any order with a valid tracking number, including from your store. This doesn't influence whether your Shop Store appears in Shop.
By downloading the Shop app, your customers can benefit from the following when they track an order:
When you activate Track with Shop, customers in the following countries can click a link to install the Shop app from the order status page on mobile devices if they're located in the following countries:
After a customer installs the Shop app and creates an account, their order information from Shopify stores is automatically synced.
From your Shopify admin, in the Sales channel section, click Shop.
In the Shop channel section, click Settings.
In the Track with Shop section, click Manage in checkout settings.
From the Checkout page, under Customer contact method, select Show a link to download the Shop app to activate the option for customers.
When customers install the Shop app, they can opt in to automatic tracking by connecting a Gmail or Outlook email. After a customer connects Gmail or Outlook, Shop searches their inbox to find relevant tracking information.
To help Shop search your customers' inboxes for tracking information as accurately as possible, you can embed tracking data in your email markup using Liquid format or JSON-LD format.