Starting January 2027, Microsoft 365 admins can add up to 10 custom properties from external systems to profile cards via Microsoft Graph People connectors. This feature is off by default, requires admin setup, and enhances user profiles for better collaboration. Future updates will support SAP SuccessFactors and Workday.
Day in brief
Create migration endpoints with OAuth authentication leads 2 Exchange updates
6 November 2026 recorded 2 new Exchange Online documentation changes. The most active areas were Hybrid, Mail flow.
- Create migration endpoints with OAuth authentication
Hybrid · Email authentication and transport securityAdded Exchange Online documentation in Exchange/ExchangeHybrid/hybrid-deployment/oauth-migration-endpoint.md.
- Message size limits in exchange online
Mail flow · GeneralAdded Exchange Online documentation in Exchange/ExchangeOnline/mail-flow-best-practices/message-size-limits-exchange-online.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
5 updates
Exchange Online
3 updatesMicrosoft Outlook is adding a "Duplicate event" feature, allowing users to quickly create new events based on existing ones without re-entering details. The rollout began in late September 2026 and will complete by early December 2026. No action or compliance changes are required.
The new Outlook for Windows offers an All Accounts (Unified Inbox) view, letting users see and manage emails from multiple accounts in one inbox without merging mailboxes. Admins can control this feature via a policy in the Microsoft 365 Apps admin center, enabling or disabling it and user override options.
Mail flow
1 updateAdded Exchange Online documentation in Exchange/ExchangeOnline/mail-flow-best-practices/message-size-limits-exchange-online.md.
Exchange hybrid deployments
1 updateAdded Exchange Online documentation in Exchange/ExchangeHybrid/hybrid-deployment/oauth-migration-endpoint.md.