To set up a calendar event with a personal reminder:
Find the event and open its details by doing one of the following:
From the Calendar view, select the event, and from the event dialog box, select the Add/View Additional Details link.
From the Agenda view or the search results from an advanced search, select the event title.
The event details appear in the View Event Page (if you are an attendee) or the New Event Page (if you are the organizer).
Select the Reminders icon.
The Reminders dialog box appears.
Specify when and how you want the reminder sent.
Select the Save Reminder button.
Close the event details.