To create an appointment linked to a contact:
1.
Switch to the contact view.
2.
Select the contact.
3.
Open the contact.
4.
Select the Details tab.
5.
Right-Click the Actions list
6.
Choose New Appointment.
7.
Enter the task details.
8.
Push <Ctrl-S>
shows with the contact, fill the fields and click OK to add a appointment quickly.