To change your status, click your profile picture, select your current status, then choose the Do Not Disturb option in the menu. If you mark a message as important, the channel or chat name will still be bold, but will also have an exclamation point as seen with PNW Coffee Social Campaign below. Step 2: In the left hand sidebar you will see four different icons. Now type your message within the compose box. You can host an external group chat with up to 249 other orgs. Skype and Skype for Business participantscan only use plain text in a chat. To turn off notifications for a specific conversation in a channel, hover over the first message in the thread, click the three-dot icon, and select Turn Off Notifications., From now on, youll only get a notification about this conversation if someone mentions you directly. Verifying that the necessary URLs, IP addresses and ports are opened in your firewall or proxy will minimize unnecessary troubleshooting.