Dismissing Alarms
You can dismiss an alarm in the Alarm dialog box.
To dismiss an alarm
In the Alarm dialog box, click Dismiss to close the alarm.
The alarm does not appear again for the activity.
Note: If multiple alarms appear before you either postpone or
dismiss them, then they are all queued behind the same alarm dialog
box. You can click the Previous and Next buttons to move to each alarm.
You can also click Dismiss All to dismiss every alarm that is currently
active, or you can click Snooze All to postpone every alarm that is
currently active.