How to correct an email mistake when creating or updating your Battle.net account

How to swap email addresses between two accounts

Information regarding steps you can take if your email address is already in use on an account.

What to do if you did not receive the one-time passcode to your email.

Battle.net or game account hacked or compromised.

The login servers received invalid information

Can't log into Battle.net website or get online when logging with the Battle.net desktop app.

How to modify your emails for to allow important Blizzard and Battle.net messages to go to your email inbox

What to do if you cannot change the email or phone number that shows on the login screen because the field is greyed out

Eligibility requirements for Blizzard-sanctioned events