1. In order for you to be able to update your email in your MyCanvas account, you have to create a password specific to your MyCanvas account. To do this go to Account Settings.
Scroll to the bottom of the page where you'll see Create Local Login. From there you will create a password, select Set Password.
Then you can go back into Account Setting and at the bottom of the page will be the option to Update your Email Address.
If you have already created a MyCanvas specific password, go to Account Settings, scroll to the bottom of the page where you'll see Update your Email Address.
Enter your Current Password and then enter your New Email.