Information about reverting a free BattleTag Change

A BattleTag can only be updated for free once

Each BattleTag is assigned a numeric ID to create a unique identifier.

How to report another player that is using an offensive or inappropriate BattleTag

What to do if you cannot see your recent BattleTag name change in-game

Information about changing the capitalization in your name without changing the name itself

Information on why your gamer tag is different than your BattleTag while in Call of Duty: Modern Warfare.

A BattleTag™ is a player-chosen nickname that identifies your Battle.net account

Information on the BattleTag Change service.

Rules for creating BattleTags