Calendars overview

The four calendar types and when to use each.

5 min read Updated 2026-04-24

Open Doors supports four calendar types so you can model exactly how your team takes appointments.

TypeBest for
PersonalA single person taking 1:1 bookings.
Round-robinMultiple team members where the next available person gets the booking.
CollectiveBookings that need two or more team members on the call at once.
ClassGroup sessions with a fixed time and a max number of attendees.