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Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.
To manage your notifications, select your profile picture in the top right of Teams, then select Settings > Notifications.
Manage email notifications
In Missed activity emails, choose how frequently you receive emails for a missed activity or turn them off entirely.
Manage the appearance and sound of notifications
To turn off or on message preview, toggle Show message preview to on. To turn off or turn on notification sounds, toggle Play sound for notifications to on.
Customize channel notifications
To be notified about all your shown channels, select All activity
To be notified only when you are @mentioned or when you receive replies to your messages in channels, select Mentions & replies
For the most control over your channel notifications, select Custom
Select Banner and feed to receive notifications as both a desktop notification and as an alert in Activity.
Select Only show in feed to receive notifications as an alert in Activity, which is found in the top left corner of Teams.
Select Off to turn off desktop notifications and alerts in Activity.
Note: In Windows, notification banners will show in the bottom right of your screen. In macOS, they show in the top right.
Customize all other notifications
Choose the Edit button next to the category to customize how you receive notifications for that category.
Select Banner and feed to receive notifications as both a desktop notification and as an alert in Activity.
Select Only show in feed to receive notifications as an alert in Activity, which is found in the top left corner of Teams.
Select Off to turn off desktop notifications and alerts in Activity.
Change channel notifications from the teams list
Hover on a channel in your teams list and select More options > Channel notifications.
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.
Note: By default, channel @mentions are turned off and all new posts will only show in Activity.
To learn more, check out The six things to know about notifications.