Microsoft 365 Message Center ArchiveM365 Archive

Microsoft 365 apps

Message Center and Roadmap announcements for this Microsoft 365 service.

MessageActions
MC1319208
Microsoft Outlook: External email tag now supported in Inbox Rules
May 22, 2026|Exchange Online
MC1311972
PowerPoint for the web: Create a presentation with Copilot directly from the PowerPoint web app
May 15, 2026|Microsoft 365 apps
MC1318854
PowerPoint for Mac: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1318852
PowerPoint for Windows Desktop: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1318851
PowerPoint for Web: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1189663MajorAction by Mar 30, 2026
Retirement of external access token for actionable messages – moving to Microsoft Entra authentication
Nov 25, 2025|Microsoft 365 apps
MC1309746
Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android)
May 13, 2026|Microsoft 365 apps
MC1302908
Outlook: Support for storing S/MIME certificates in contacts in new Outlook
May 6, 2026|Exchange Online
MC1317195
Microsoft Copilot Notebooks: Introducing Infographics
May 20, 2026|Microsoft 365 apps
MC1280558
Use Copilot to explain selected slide content in PowerPoint Live
Apr 15, 2026|Microsoft 365 apps
MC1307979
Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone)
May 12, 2026|Microsoft 365 apps
MC1309735
PowerPoint for Windows desktop: "Review this presentation" skill in Copilot
May 13, 2026|Microsoft 365 apps
MC1309731
PowerPoint for Windows desktop: “Visualize this slide” skill in Copilot
May 13, 2026|Microsoft 365 apps
MC1309737
PowerPoint for the web: "Review this presentation" skill in Copilot
May 13, 2026|Microsoft 365 apps
MC1309732
PowerPoint for Mac: “Visualize this slide” skill in Copilot
May 13, 2026|Microsoft 365 apps
MC1309736
PowerPoint for Mac: "Review this presentation" skill in Copilot
May 13, 2026|Microsoft 365 apps
MC1162275
Product transitions to the cloud.microsoft domain – September 2025
Sep 29, 2025|Microsoft Teams
MC796790Major
M365 and Microsoft Teams: Unified management of app and agent availability in Teams, Outlook, and the Microsoft 365 app
May 29, 2024|Microsoft Teams
MC1311974
PowerPoint for Windows: Create a presentation with Copilot directly from PowerPoint Home
May 15, 2026|Microsoft 365 apps
MC1311973
PowerPoint for Mac: Create a presentation with Copilot directly from PowerPoint Home
May 15, 2026|Microsoft 365 apps
MC1309508
Updates available for Microsoft 365 Apps for Monthly Enterprise Channel
May 13, 2026|Microsoft 365 apps
MC1308855
Collect Diagnostics change to Get Diagnostics for Outlook Mobile and Mac
May 12, 2026|Microsoft 365 apps
MC1275566
Microsoft 365 Copilot: Multimodal capture in Copilot Notebooks in the OneNote mobile app (iOS)
Apr 9, 2026|Microsoft 365 apps
MC929022
Microsoft Loop – Require Existing Microsoft 365 Group for New Loop workspaces
Nov 8, 2024|Microsoft 365 apps
MC1189000
Updated UI for Copilot Chat entry point in Word, Excel and PowerPoint apps
Nov 22, 2025|Microsoft 365 apps
MC1304289
Lock-free coauthoring in Microsoft Word
May 8, 2026|Microsoft 365 apps
MC1129718
New Feature: Account Manager in Outlook for Windows
Aug 5, 2025|Exchange Online
MC1266021
Microsoft 365 Copilot: New chat-first design for the Copilot mobile app
Mar 30, 2026|Microsoft 365 apps
MC906502
Microsoft Outlook: Automatically display automapped calendars
Oct 7, 2024|Microsoft 365 for the web
MC1254552
Copilot Notebooks: New features coming to Frontier Public
Mar 17, 2026|Microsoft 365 apps
MC1297983
Exchange admin dashboard adds provider list export for Actionable Messages
May 1, 2026|Microsoft 365 apps
MC1297982
Use sensitivity labels to block all connected experiences that analyze content in Word, Excel, and PowerPoint
May 1, 2026|Microsoft 365 suite
MC1287365
Microsoft 365 Copilot: Change in accessing additional agents in Excel
Apr 21, 2026|Microsoft 365 apps
MC1246031Major
Microsoft Outlook: Copilot Chat available in shared and delegate mailboxes
Mar 6, 2026|Microsoft 365 apps
MC1296877
Microsoft 365 Copilot: Legal Agent for Word
Apr 30, 2026|Microsoft 365 apps
MC1296489
Microsoft 365 Copilot: Anthropic models available when editing Word documents
Apr 30, 2026|Microsoft 365 apps
MC1296488Major
Microsoft 365 Copilot (Premium): Teams meetings as a reference in Copilot Notebooks
Apr 30, 2026|Microsoft 365 apps
MC1293484Action by May 27, 2026
Excel Desktop update required to connect to Power Platform Analytical Dataflows
Apr 27, 2026|Microsoft 365 apps
MC1290822
Microsoft Outlook: Copilot account switcher in the Outlook side pane
Apr 24, 2026|Microsoft 365 apps
MC1230889MajorAction by Apr 14, 2026
Outlook for Windows report retirement in the Exchange admin center
Feb 11, 2026|Microsoft 365 apps
MC1282571
Copilot entry point changes in Excel
Apr 16, 2026|Microsoft 365 apps
MC1276508Major
Complete retirement of the Outlook Lite app
Apr 10, 2026|Microsoft 365 apps
MC1183009
Microsoft 365 Copilot: Podcast voice interactions make audio experiences conversational
Nov 5, 2025|Microsoft 365 apps
MC1275564
Microsoft 365 Copilot: Updated Copilot Notebooks overview page experience
Apr 9, 2026|Microsoft 365 apps
MC1249427Major
Retirement of the Semi-Annual Enterprise Channel option in the Office Customization Tool
Mar 12, 2026|Microsoft 365 apps
MC1274325Major
Upcoming change: Microsoft 365 Apps SAEC and MEC will unify
Apr 8, 2026|Microsoft 365 apps
MC1129716
Microsoft Outlook Mobile adds support for DLP policy tips and enforcement
Aug 5, 2025|Microsoft 365 apps
MC1234661
DLP policies will be able to block Copilot processing of sensitivity‑labeled files in all storage locations
Feb 19, 2026|Microsoft 365 suite
MC1269210Major
Classic Outlook: Retirement of people card expanded view
Apr 3, 2026|Microsoft 365 apps
MC1267976Major
Microsoft Loop: Retirement of Copilot‑generated Recaps
Apr 2, 2026|Microsoft 365 apps
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