M365 Message Center

Geändert

10.06.2026

Services

Exchange Online

Updated June 10, 2026: We have updated the timeline. Thank you for your patience.We're making some changes to Exchange Web Services (EWS).Starting October 1, 2026 (previously June 30), we will start to block EWS access for all mailboxes without license rights to EWS. This is another step in our ongoing commitment to enhance the security and control mechanisms of EWS.[How this will affect your organization:]The impacted licenses are: Exchange Online KioskMicrosoft 365 and Office 365 F1Microsoft 365 and Office 365 F3As stated in the Service Descriptions, these licenses do not provide access to mailboxes via EWS, but these restrictions were never enforced. With this change, EWS access for users with only these license types will be blocked.[What you need to do to prepare:]If you wish these users to continue to use EWS, and your users are licensed with one of these noted above, you’ll need t

Geändert

08.06.2026

Services

Microsoft 365 Copilot Chat

Updated June 8, 2026: We have updated the timeline. Thank you for your patience. [Introduction:]We’re updating Memory in Microsoft 365 Copilot to improve personalization and enhance the user experience. With this update, Copilot will personalize responses using chat history, helping users receive more relevant and contextual replies. We’re also introducing refreshed user controls in Copilot settings to make it easier to view and manage Saved Memory. This will be available to all Copilot Chat users.Control over personalization using chat history is also available, with details for users via the settings screen. [When this will happen:]Public Preview (Frontier): Begins rolling out mid-November 2025.General Availability: Begins early January 2026 (previously early November 2025) and is expected to completed in July 2026 (previously May).[How this affects your organization:]All users of Micr

Geändert

08.06.2026

Services

Exchange Online · Microsoft 365 apps

Updated June 8, 2026: We have updated the timeline. Thank you for your patience. We’re enhancing the contact experience in Microsoft Outlook Mobile (iOS and Android) by introducing profile-enriched contacts and automatic duplicate contact management. These improvements aim to streamline contact views and provide richer organizational context.This message is associated with Microsoft 365 Roadmap ID 493753.This feature has previously been released to the People Hub in new Outlook for Windows. More details in MC927963 (Updated) New Microsoft Outlook for Windows: People Hub improvements (published November 2024, updated April 2025).[When this will happen:] General Availability (Worldwide): We will begin rolling out mid-July 2025 (previously late June) and expect to complete by end of September 2026 (previously end of May).[How this will affect your organization:]Before this rollout, Outlook

Geändert

04.06.2026

Services

Microsoft Copilot (Microsoft 365)

Updated June 4, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re introducing a new capability in Microsoft 365 Copilot chat that allows users to RSVP to meetings directly within the chat experience. This enhancement simplifies meeting management by enabling quick responses such as Accept, Decline, Tentative, Follow, or Remove canceled meetings—all without leaving Copilot chat. [When this will happen] General Availability (Worldwide): Rollout will begin by mid-January 2026 (previously early January) and is expected to complete by end of April 2026 (previously mid-February).General Availability (GCC and DoD): Rollout will begin by early September 2026 and is expected to complete by mid-September 2026. [How this affects your organization] Who is affected: Users with a Microsoft 365 Copilot license. What will happen: Users can RSVP to meetings directly fr

Geändert

03.06.2026

Services

Microsoft Teams · Microsoft Viva

Updated June 3, 2026: We have updated the content. Thank you for your patience. [Introduction]We’re introducing Viva Engage communities in Microsoft Teams to make it easier for employees to connect, share, and learn across your organization. This new experience brings discoverable, asynchronous conversations and leadership engagement into Teams—helping employees explore ideas and perspectives beyond project-based collaboration.This message is associated with Microsoft 365 Roadmap ID 513274.[When this will happen]General Availability (Worldwide): Early June 2026 (previously May) to late July 2026 (previously end of May)[How this affects your organization]Who is affected: All Microsoft Teams users with access to Viva Engage.What will happen:This feature is available to all Microsoft Teams customers with a standard Microsoft 365 and Teams license and access to Viva Engage. No additional Tea

Geändert

19.05.2026

Services

Microsoft Copilot (Microsoft 365)

Updated May 19, 2026: We have updated the timeline. Thank you for your patience. [Introduction]To help organizations analyze more recent Microsoft 365 Copilot usage trends, we’re adding a new export option in the Copilot dashboard. In addition to the existing user‑week export (see MC1173208), dashboard users with company‑level access will be able to export a subset of de‑identified Copilot usage metrics aggregated by user and day. This option includes 28 days of activity data and supports more granular, short‑term insights into Copilot adoption. Exported data will usually reflect copilot activity up to 3 days before the export date; actual timing may vary A minimum of 50 Microsoft 365 Copilot licenses is required. This feature applies to the Viva Insights web app.This message is associated with the Microsoft 365 Roadmap ID 547749.Screenshot 1 - Export data button in Copilot dashboard:Scr