Step 3: Click the Save & Close button to exit the Appointment or Meeting window. Step 2: In the Appointment window, click the button in the Reminder box on the Appointment (or Meeting) tab, and select the None from the drop down menu. Step 1: Shift to the Calendar view, and double click to open an appointment whose reminder you will remove.

If you need to clear the reminder for a specified appointment or meeting in Microsoft Outlook, please do as following: Remove a reminder for a specified appointment/meeting