Set event alerts and receive notifications

Be notified of an upcoming Calendar event by setting one or more alerts for it. An alert can place a notification on your screen, send an email, or open a file.

Open Calendar for me

To set a default alert for all events, see Change the default alert settings for events.

Set an alert for an event

  1. Double-click or force click an event, then click the event’s date.

  2. Click next to Alert and do either of the following:

    • Choose a time or day from the pop-up menu.

    • Choose Custom and then choose one of the following options:

      • Message: Displays a notification on the screen.

      • Message with sound: Displays a notification on the screen and makes a sound.

      • Email: Sends you an email.

      • Open file: Opens the file you choose.

  3. To add another alert, place the pointer over the Alert pop-up menu, then click the Add Alert button .

    You can set only one alert for Exchange events.

To remove an alert, choose None from the Alert menu.

Turn off alerts for a calendar

  1. Control-click the name of the calendar in the calendar list, then choose Get Info.

    If you don’t see the calendar list on the left, choose View > Show Calendar List.

  2. Select “Ignore alerts,” then click OK.

Show or hide all Calendar alerts

  1. Choose Apple menu > System Preferences, then click Notifications.

    Open Notifications preferences for me

  2. Click Calendar on the left, then select whether you want invitation notices and event alerts to appear as banners or alerts, or to not appear.

Dismiss alerts

When an alert appears, you can either close it or temporarily dismiss it.

See also
If you’re not receiving alerts
Reply to event or calendar invitations

See your notifications