Cannot change email address

Cannot change email address

So when creating a zoho mail account for my Zoho account I thought I was adding a new user. So when I created the mail account and saw that it attached itself to the main zoho account I wanted to change it.

However no way of changing it is appearing, and when I set my gmail to my main account I cannot remove the zoho mail account that it attached itself to.

Is there anyway to delete the email address or make a new one without making a new user so I can switch it out?