The following article will walk you through how to update the email and phone number on your main admin profile.
First, log into your admin account.
Once you are logged in, navigate to the Admin tab on the left, and then click on Profile
Once on the Profile page, Click Edit. From here, you will be able to update all of your contact information, including your email address and phone number. You will want to make sure you are using a working email address and phone number.
Once you are done with your edits, click update at the bottom of the screen.