What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
It depends on what you would like to change.
If you would like to change the email address associated with your JotForm account, that is possible by navigating to your Account->Profile page. Here's a screenshot to guide you:
If you wish to change the recipient email address on your forms, you can follow this guide: https://www.jotform.com/help/314-How-to-Properly-Add-Change-and-Test-a-New-Email-Recipient-Address
I also suggest checking this guide to learn more about the settings in the Email alert wizard: https://www.jotform.com/help/30-Explanation-of-Email-Notification-and-Autoresponder-Settings
I hope that helps.