You can cancel an appointment if you scheduled it or if you have the necessary Proxy rights to the scheduler’s Mailbox.
In your calendar:
Right-click the appointment you want to cancel.
Click
.Select
to remove from the mailboxes you have sent to. Leave unselected if you only want to delete from just your mailbox.(Optional) Type a message explaining the cancellation.
Click
.For trademark and copyright information, see Legal Notices.