Change your email address in the User Settings section of the app.
To change your email address directly from within the app:
- Tap the avatar in the top left corner of the app's Home page.
- Swipe up and tap Settings then tap User Settings.
- Tap Email Address.
- Use the buttons to specify whether or not you still have access to the current email address.
- Enter a new email address and follow the prompts to complete the update.