If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.

Player is unable to send messages in clan chat

Troubleshooting problems using the in-game chat feature.

Information on why you might receive this error when sending a message to a Battle.net friend.

What to do if you receive this error when sending friend requests

How to send gold or items to your characters in another realm or faction

How and when BoA or Heirloom items be sent to another character on the Battle.net Account.

What to do if you are unable to use the in-game chat in Diablo II (2000)

Troubleshooting issues with sending and receiving new Battle.net friend requests

Possible causes and how to fix issues related to sending mail in World of Warcraft