You can change and delete meetings you organized. You can send an email to attendees to notify them of the changes or select not to notify attendees of the changes.
Right-click on the meeting to change and select Open. The Appointment detail page is displayed.
Make your changes. You can change the schedule, add and remove attendees, add notes in the Text field and add attachments.
If the changes you made do not require notifying the attendees, click Save.
Click Send, if you want to notify the attendees of your changes. If you do not need them to respond to the message, before clicking Send, in Options uncheck Request Responses.