The best place to check what customers are currently receiving is Shopify, because Shopify is the system that triggers and sends customer notification emails.
UpOrder is where you build and save your email designs. Once an UpOrder template has been published or copied into Shopify, Shopify uses that template when it sends the matching customer notification.
Check the live version in Shopify
From your Shopify admin, go to Settings > Notifications.
Open Customer notifications.
Select the notification you want to check, such as Order confirmation, Shipping confirmation, or Order refund.
On the notification page, review the Shopify preview. You can also use Send test to send a test email from Shopify and see how the notification appears in an inbox.
Check your saved UpOrder version
If you want to review the version saved in UpOrder, open UpOrder in Shopify and go to Notification Templates. Open the template set you want to review, then use the dropdown at the top of the builder to switch between individual notification emails.
The UpOrder builder shows what is saved in UpOrder. The Shopify notification preview shows what Shopify is currently using. If those two do not match, the UpOrder changes might not have been published or copied into Shopify yet, or you might be looking at a different template set or notification type.
Do not rely on the email code alone
Older instructions suggested looking for <!DOCTYPE html in the email code to identify an UpOrder template. That is not a reliable way to confirm what customers are receiving. The safer check is to use the Shopify preview, send a Shopify test email, and compare it with the saved UpOrder template you expect to be live.
If the Shopify preview does not look right
Confirm you edited the correct template set and the correct notification email in UpOrder.
Save your UpOrder changes.
Publish or copy the updated template into Shopify.
Go back to Shopify's Customer notifications page and preview or send another test email.
For dynamic order content, such as line items, discounts, product recommendations, tracking links, or customer-specific Liquid variables, a real test order is usually the most realistic final check.
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