Information about a possible transfer of balance between different Blizzard accounts

What to do if a friend or family member has access to your account and has updated the account details, are preventing you from accessing the account, or has taken gold or items

Request to move COD Points

Recovering Console accounts

Information on error BLZBNTBGS00004668.

Information about the Cross-Play and Cross-Progression features

Information on error BLZ51900011

What to do if you are receiving emails for another player with a Gmail similar to yours.

How to change the language of text in your Blizzard games

Troubleshooting for issues loading the BattleTag or Real ID friend list