M365 Message Center

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02.09.2026

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SharePoint Online

Updated September 2, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We are adding copilot citations to SharePoint to help site owners understand how their SharePoint documents, news posts, and pages are referenced by Microsoft 365 Copilot. These insights will help organizations track content value, identify high‑impact information, and understand how AI‑powered workflows use SharePoint content. Tenants must have Microsoft 365 Copilot licenses, and these insights become available only for tenants with more than 50 Copilot licenses (seats).This message is associated with Microsoft 365 Roadmap ID 480725.[When this will happen]General Availability (Worldwide): Rollout will begin end of August 2026 (previously start of August) and will complete by end of September 2026 (previously early September).[How this affects your organization]Who is affected:SharePoint O

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01.09.2026

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Exchange Online

Updated September 1, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re adding support for sending locally stored Word, Excel, and PowerPoint files as email attachments directly through the new Outlook for Windows. This update streamlines the sharing experience and aligns with ongoing efforts to bring feature parity between classic Outlook for Windows and the new Outlook.This message is associated with Microsoft 365 Roadmap ID 557675.[When this will happen] General Availability (Worldwide): We will begin rolling out in early November 2026 (previously early September) and expect to complete by early December 2026 (previously late September).General Availability (GCC): We will begin rolling out in mid-January 2027 (previously early October 2026) and expect to complete by mid-February 2027 (previously late October 2026).[How this affects your organization]W

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01.09.2026

Services

Microsoft 365 suite · Microsoft Copilot (Microsoft 365)

Updated September 1, 2026: We have updated the timeline below. Thank you for your patience. To help you manage metered consumption costs for Microsoft 365 Copilot Chat, we will introduce a new Message consumption usage report in the Microsoft 365 admin center. The new report will give you visibility into billed messages associated with your Microsoft 365 Copilot pay-as-you-go billing policies and includes total messages consumed, cumulative and daily time series, and messages per user, per billing policy, per agent, and per agent-user pair. The new report will roll out in preview. During the preview stage, the report will display a maximum of 30 days of message consumption history. Usage information from prior to May 3, 2025, will not be available in the report.This message refers to Microsoft Copilot in a pay-as-you-go model. A Microsoft Copilot license is not required. This message is

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01.09.2026

Services

Microsoft 365 Copilot Chat

Updated September 1, 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 mid-September 2026 (previously early January) and is expected to complete by late October 2026 (previously late July).[How this affects your organization:]All u

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01.09.2026

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Microsoft Teams

Updated September 1, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re introducing a private chat feature for organizers, co-organizers, and presenters in structured meetings and webinars in Microsoft Teams. This separate chat enhances collaboration by allowing key participants to communicate privately before, during, and after the event, without involving attendees. Additionally, we are unifying backroom chat behavior in town halls to ensure consistent functionality across all structured meetings. Currently, backroom chat behavior varies depending on whether streaming chat is enabled for town halls and whether the organizer has a Teams Premium license. This update removes that inconsistency.This message is associated with Roadmap ID 392328 and applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, Teams for iOS/Android, MTR-W

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28.08.2026

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Microsoft Viva

Updated August 28, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We're improving the Viva Engage experience in Microsoft Teams for iOS by bringing pinned resources and related communities into the Teams mobile app. Pinned resources highlight important links and files within a community, while related communities help users discover other relevant Viva Engage communities. These are two separate features that work together to improve information access and community discovery.This update aligns the iOS experience with Engage on the web, the Engage mobile app, and Teams for Android, helping users discover important content and related communities more easily—especially those who rely on Teams on iOS as their primary communication tool.This message is associated with Roadmap ID 559107. [When this will happen:] General Availability (Worldwide): Rollout begins