I forgot the registered email address. October 17, 2023 03:44 Updated Please contact us through the inquiry form. We will investigate and respond to you via email. Inquiry Form Related articles I forgot my password. I reset my login password but cannot log in with the new password. Please tell me how to change the password for the digital wallet app. I forgot the email address and password for logging in to the app "MYAKU-PO!". Please tell me how to log out.