Train your AI on Microsoft 365 Calendar
Connect Microsoft 365 Calendar (Outlook on Microsoft 365 / Office 365) so the AI can check live availability, book, reschedule, and cancel during the call. Works with single-tenant and multi-tenant Microsoft Entra (Azure AD) configs, supports application-permission flow for org-level deploy.
Connect once, and Open automatically keeps your AI agent's knowledge up to date. When you update content in Microsoft 365 Calendar, the changes sync automatically—no manual retraining required.
→syncs to→AI AgentWhat can be synced
Events — Read, create, update, delete events via Microsoft Graph.
Free/busy — Live availability against user and resource calendars.
Calendars — List and select user calendars and shared mailboxes.
Teams meetings — Optional Teams meeting link auto-generated on booked events.
Features
- •Live availability via Microsoft Graph — Real-time free/busy lookup against the right calendar.
- •Tenant-wide deploy — Application permissions through Microsoft Entra ID for one install serving every user in your tenant.
- •Reschedule and cancel — Lookup by phone number, reschedule or cancel during the call. Teams meeting links generated where applicable.
- •Shared mailboxes & resources — Books on shared mailboxes, conference rooms, and bookable resources via Graph.
Requirements
- •Microsoft 365 / Office 365 with Calendar enabled
- •Microsoft Entra ID (Azure AD) admin to grant app permissions
How to connect
- 1.In Microsoft Entra ID, register an app for Open (or use the Open marketplace app)
- 2.Grant Calendar.ReadWrite (delegated or application) permissions
- 3.In Open, go to Settings → Integrations → Microsoft 365 Calendar and authorize
- 4.Choose delegated (per-user) or application (tenant-wide) permission flow
- 5.Place a test booking and verify it appears in the user calendar
Good to know
- Application permissions allow one Open install to serve every user in the tenant
- Conditional Access and MFA respected — Open follows your existing Entra policies
- Sovereign clouds (GCC High, GCC, DoD) supported on enterprise plans
Security: Open only requires read access to your Microsoft 365 Calendar. We never write, modify, or delete your content. All data is encrypted in transit and at rest. GDPR compliant, working toward SOC 2 Type II.
Ready to connect Microsoft 365 Calendar?
AI Training → Sources → Microsoft 365 Calendar
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