Exchange

Message Center and Roadmap announcements for this Microsoft 365 service.

Message	Services	Published	Updated
RM563806 Outlook: Emails marked with External to be supported as Rules conditions May 21, 2026\|Exchange	Exchange Outlook Roadmap	May 21, 2026	May 21, 2026
RM560550 Exchange: Dynamic distribution groups now populate membership faster on creation and modification Apr 27, 2026\|Exchange	Exchange Roadmap	Apr 27, 2026	Apr 27, 2026
RM382633 Exchange: High Volume Email for Microsoft 365 Feb 15, 2024\|Exchange	Exchange Roadmap	Feb 15, 2024	Apr 20, 2026
RM115482 Microsoft 365: Information Barriers (IB) upgrading from IB v1 to IB v2 with new capabilities Jan 31, 2023\|Exchange	Exchange Microsoft Teams+3 Roadmap	Jan 31, 2023	Apr 15, 2026
RM492743 Exchange: Exchange Online Moderation approval requests via Actionable Messages May 6, 2025\|Exchange	Exchange Roadmap	May 6, 2025	Mar 16, 2026
RM410245 Microsoft 365: Multi-Geo In-Region Routing Aug 6, 2024\|Microsoft 365	Microsoft 365 Exchange Roadmap	Aug 6, 2024	Jan 14, 2026
RM542929 Exchange: Message Trace - Custom Retention Dec 19, 2025\|Exchange	Exchange Roadmap	Dec 19, 2025	Dec 19, 2025
RM498356 Microsoft 365: SMTP onboarding to App Role Based Access Control Jul 10, 2025\|Exchange	Exchange Microsoft 365 Roadmap	Jul 10, 2025	Dec 19, 2025
RM495489 Exchange: New Message Trace in Exchange Online May 29, 2025\|Exchange	Exchange Roadmap	May 29, 2025	Aug 6, 2025
RM361914 Exchange: Adding support for Inbound SMTP DANE with DNSSEC for Exchange Online GCC-H and DoD Apr 1, 2024\|Exchange	Exchange Roadmap	Apr 1, 2024	Feb 14, 2025

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