Office 365 Outlook Web App - Track Meeting Responses in Calendar
Meeting organizers can track accepted and declined responses.
This document provides an overview of how to track meeting responses in Calendar in the Office 365 Outlook web app.
1. Double click on the Event/Appointment/Meeting.
2. Attendees of the event, and their response status, will be visible on the right pane of the event window.
(If there are no attendees for the event, only the Organizer will be listed in this pane.)