When you wish to remove an appointment. Follow the below steps.

Step-by-step guide

1. Single left click on the Appointment you wish to remove
2. Click on Remove at the bottom of the screen
3. Either click on Cancellation or Delete
   
4. If the appointment is part of a course, (or this also applies to single repeating appointments),  you will then see a prompt asking you if you want to remove all appointments relating to that course or just this one appointment.
   Select one of the options.