How to set the appointment's display on the Create appointment page:
In you can set the availability display. Examples can be found in the questions about appointments and tasks.
If the subject is not to be shown to other users, activate . Private appointments are marked with the Private icon .
In order to set an individual color for the appointment, click on a color field. If you do not select a color or click on the first color field, the appointment is displayed in the color of the calendar folder. A calendar folder's default color is light blue.
Note: The color selection drop down is only displayed if is enabled in the menu in the toolbar.
Also see
Parent topic: Creating Appointments