Role ID Purpose Description
Calendars.Read 798ee544-9d2d-430c-a058-570e29e34338 Read calendars in all mailboxes Allows the app to read events of all calendars without a signed-in user.
Calendars.ReadWrite ef54d2bf-783f-4e0f-bca1-3210c0444d99 Read and write calendars in all mailboxes Allows the app to create, read, update, and delete events of all calendars without a signed-in user.

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