1. Log into your account and within the Forms module, click on Registrations
2. Filter by a specific Form if needed, then select any/all registrations you would like to update and click on Change Status.
3. Once you have clicked on Change Status, choose the status you'd like to update those registrations to.
4. After you have selected the status, you can choose whether or not to notify the users that submitted those registrations of the new status of their registrations. If left unchecked, no email will be sent, if checked, an email will be sent.