To edit a reminder, select a message and then click Manage Reminders on the Follow Up tab on the toolbar.
The Manage Reminders window will be displayed.
Click the Edit button.
Reminder Date
This is preset to the next day. You can change the date to whatever you want.
Reminder Timer
This is preset to the current time but you can also change this.
Enabled
When checked, the reminder is enabled.
Display alert when reminder is due
When checked, a reminder will be displayed when a reminder is due.