A connected calendar lets Reunia find meetings to join and add attendees and agendas to your notes.
Connect a calendar in any of these places:
The last step of setup
The connect card on Home
Settings → Calendar
Choose Connect Google Calendar or Connect Microsoft Outlook. Your browser opens the provider so you can allow access. When you return, that calendar is listed under Connected calendars.
To remove one, open Settings → Calendar and choose Disconnect on that calendar. You can connect it again later.