1. Hover on a channel in your teams list and select More options Microsoft Teams more options icon  > Channel notifications Activity button.

  2. Choose from All activity, Off, or Custom—just as you would in settings. When you select Custom, a new window will open that has more options.
  • To be notified about all your shown channels, select All activity
  • To turn off all notifications for a channel, select Off.
  • For the most control over your channel notifications, select Custom
    • Choose the Edit button next to the category to customize how you receive notifications for that category.

    • Categories include Chat, Meetings, People, and Other.

Note: By default, channel @mentions are turned off and all new posts will only show in Activity  Activity button.