To update an appointment from Summary, click on the appointment. An Appointment window is displayed. Modify the details of the appointment in the Appointment window, choose File -> Save. For more information about working with appointments, see Chapter 6, Using Calendar.
To update a task from Summary, click on the task. A Task window is displayed. Modify the details of the task in the Task window, choose File -> Save. For more information about working with tasks, see Chapter 7, Using Tasks.