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I'm not quite sure what you meant by "email preview screen"? Were you perhaps referring to the "Inbox" in the "My Forms" page?
Here's how the submission looks like in the Inbox preview:
If you want to view your submission details, you can simply go to the submissions page as mentioned in this guide: https://www.jotform.com/help/269-How-to-View-Form-Submissions
If you wish to view your form's email alert history, you can check this other guide: https://www.jotform.com/help/293-How-to-View-All-Your-Form-Email-History
If I misunderstood your concern, please do provide us more details so that we can better assist you. Please also provide us the form that is in question.
We'll wait for your response.