1. Open your mail database.
2. From the menu, choose Actions - Tools - Preferences.
3. Click the Follow Up tab.
4. Select "Set an alarm."
5. Specify how much in advance of an action the alarm should go off. (You specify the exact date and time of each action when you flag a mail message for follow-up.)
6. Under "When alarm goes off," do one or more of the following if you want notification to include more than the alarm message box: