If you run into issues when you try to contact support through chat, try these troubleshooting steps.

Information on accessing Blizzard logs

How to disable the mature language filter.

How to pop your chat windows out of the Social tab

What to do if Battle.net Mobile Application does not load properly

Troubleshooting steps to resolve voice chat problems in Heroes of the Storm

Information on the Blizzard Voice Chat feature

How to use emoji in Blizzard Chat

How to report harassment taking place within Battle.net chat (mobile or desktop)

How to report a player who is threatening with harming another person or a place