Change Notifications preferences on Mac
On your Mac, use Notifications System Preferences to specify when you don’t want to be disturbed by notifications, and to control how apps show notifications in Notification Center.
To change these preferences, choose Apple menu > System Preferences, then click Notifications. Select Do Not Disturb or an app on the left, then view or change settings on the right.
Do Not Disturb
To receive call notifications even when Do Not Disturb is on, select the call checkboxes.
When Do Not Disturb is on, the Do Not Disturb icon is shown in the menu bar. See Use Do Not Disturb.
Allow Notifications from
Turn notifications on or off for the selected app. When you turn notifications off, the app’s alert style and other notification options are dimmed.
Select a style for the app’s notifications:
Show notifications on lock screen
When you wake your Mac from sleep, app notifications you received while it was sleeping are shown in the login window.
Show in Notification Center
List the app’s recent notifications in Notification Center. Notifications older than 7 days aren’t shown.
Badge app icon
Let the app show the number of notifications on its icon in the Dock. For example, Calendar shows a badge on its icon when you receive invites.
Play sound for notifications
Let the app play notification sounds.
Show a preview in notifications for the app. For example, if you receive an email, you see a preview of the email in the Mail notification.
Note: If you choose a setting from the “Show previews” pop-up menu at the bottom of the preference pane, it’s applied to all apps.
Choose whether and how the app’s notifications are grouped in Notification Center: