To change your registered email in the app:
- Go to your profile page
- Click the settings icon in the top left corner
- Tap on 'Primary Email Address'
- Type in the email address you wish to be registered with your account
- Press 'Update'
To change your registered email on the web:
- Click on your Username on the top right of the navigation bar
- Select 'Settings' from the dropdown menu
- Click the blue 'Edit' button next to your current email address
- Type in the new email address you wish to be registered with your account
- Click the blue 'Save' button