Microsoft Calendar integrations

ScheduleOnce integrates with all Microsoft Calendar variations: Outlook, Office 365, Exchange and

Each integration slightly differs, as explained in the following comparison table:
  Exchange and Outlook Office 365 and Outlook Standalone Outlook client
Supported versions

On-premises Exchange, Exchange online and Office 365

Both in the browser and as Outlook client

Outlook client with or without an online account
Supported devices PC, Mac and mobile PC, Mac and mobile PC, Mac and mobile PC only
Connection method Exchange Web Services (EWS) The new REST API Exchange Web Services (EWS) Proprietary PC connector for Outlook
Main and sub-calendars Yes Yes Yes Yes
Shared calendars Yes Not yet (coming soon) Yes Yes, if shared with full read/write permissions
Resource calendars Not yet (coming soon) Not yet (coming soon) Do not exist Yes, Exchange resources are supported for resource scheduling
Corporate connection Yes, on request Yes, on request No No
Real time connection Yes Yes Yes Yes, when PC is on
Authentication Credentials OAuth2.0 Credentials Security token
Secure connection Encrypted Encrypted Encrypted Encrypted

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