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I am not sure if I have understood your question correctly.
Do you mean to say that you want to check the submission data which you have received in your form or you want to change the email address which is used to receive submission emails?
You can go to your form's submission page to check the submission data you have received. The following guide should help you: http://www.jotform.com/help/269-How-to-view-Submissions
If you want to change the email address which is used to receive submission emails, you will have to change the "Recipient Email" address of your form's notification email alert. The following guide should help you: http://www.jotform.com/help/41-Finding-out-E-mail-Address-used-for-submission-notifications
Hope this helps.
Do get back to us if you meant to ask something else.