The email address linked to your account is used to identify you as a user and therefore cannot be changed. If you want to switch to a different email address, you need to contact the person responsible for the place where you use Parakey and ask them to send a new invitation to your desired email address. A new account will then be created, and you will receive an email with your new login details.
đĄ Please note that you can be logged in with multiple email addresses at the same time