Click on the following website URL: (https://banssb.vinu.edu/BannerExtensibility/customPage/page/vuSetPreferred). If you're already signed into VUX, you'll be taken directly to the preferred email update page (as shown below). If you're not signed in, you'll be redirected to the VUX login portal first, and then to the preferred email update page after a successful login.
Enter your desired email address in both fields on this page, and click Confirm.
Your new preferred email address has now been successfully set on your account.