How to swap email addresses between two accounts
What to do if you are receiving emails for another player with a Gmail similar to yours.
Information regarding steps you can take if your email address is already in use on an account.
How to update the email for Parental Controls.
What to do if you cannot log in after you changed your password
Regaining access to a Battle.net Account when the email is not accessible.
How to change or update a Battle.net account email address.
How to correct an email mistake when creating or updating your Battle.net account
It's important that you have your email filters set up correctly for those domains so our messages aren't sent to your spam or junk box.
What to do if you receive the error "We Can't Find That Battle.net Account" when logging into Battle.net with your Battle.net account email.