Open the Ampli by Avion Rewards app and tap the PROFILE icon located at the bottom right. From this screen you can tap the PENCIL icon at the top right to edit your profile.
If you need to update your email address, it could take up to 30 business days to receive your cash back. Please attempt to access the existing email address on your profile in order to prevent any delays in receiving your cash back. In the event you are still unable to access your email address, please contact us in-chat.