M365 Message Center

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21.09.2026

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Microsoft Teams

Updated September 21, 2026: We have updated the timeline. Thank you for your patience. [Introduction] Microsoft Teams is introducing two new system chat sections called Muted chats and Meeting chats. These sections allow users to organize their chat and channels list by grouping muted conversations and meeting chats into dedicated sections that users can turn on or off. The new Meeting chats section will replace the Meeting chats filter, that was previously available at the top of the chat and channel list. This message is associated with Microsoft 365 Roadmap ID 559605. [When this will happen] General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in mid-October 2026 (previously early September) and is expected to complete by mid-November 2026 (previously end of October). [How this affects your organization] Who is affected All Microsoft Teams users in Microsoft 365 tenant

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21.09.2026

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Microsoft 365 suite · SharePoint Online

Updated September 21, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We are introducing recipient groups for eSignature in Microsoft 365. Recipient groups allow a single recipient slot to be assigned to multiple people, where the first person to sign fulfills the signing requirement. This update helps make signature workflows more reliable by reducing delays when a specific signer is unavailable, without changing existing tenant policies. This message is associated with Microsoft 365 Roadmap ID 560822. [When this will happen] Public Preview: Rollout is expected to complete by late September 2026 General Availability (Worldwide): Rollout will begin in early December 2026 (previously early September) and is expected to complete by mid-December 2026 (previously late October). [How this affects your organization] Who is affected Users who create eSignature re

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17.09.2026

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Microsoft Copilot (Microsoft 365) · Microsoft 365 Copilot Chat

Updated September 17, 2026: We have updated the content. Thank you for your patience. [Introduction] We’re introducing a new co-branding capability that will allow organizations to display a branded footer at the bottom of the Chat screen in the Microsoft 365 Copilot app. This update will enable admins to add their organization’s logo to their users’ Microsoft 365 Copilot app, helping users confirm they are using their trusted, work-managed Copilot experience. This message is associated with Microsoft 365 Roadmap ID 555852. [When this will happen] General Availability (Worldwide): We will begin rolling out August 2026 (previously mid-July) and is expected to complete by mid-September 2026 (previously end of July). [How this will affect your organization] Who is affected All Microsoft 365 tenants using the Microsoft 365 Copilot app. What will happen Admins will be able to upload a logo in

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17.09.2026

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Microsoft Viva · Microsoft Copilot (Microsoft 365)

Updated September 17, 2026: We have updated the timeline. This post has also been updated to remind customers that this feature is default-on for Copilot Dashboard users with full company-level data access. The export output remains de-identified, with each user represented by a hashed ID. Please review and take any actions as appropriate for your organization. Thank you for your patience. This MC post is associated with Roadmap ID 500872. [Introduction:] To support deeper analysis of Copilot adoption, Microsoft is introducing a new export capability in the Copilot Dashboard. This feature allows dashboard users with company-level access to download de-identified Copilot usage metrics, aggregated by user and week, from the past six months. Organizations can use this data to track adoption trends, optimize licensing, and support AI transformation strategies. This feature requires at least

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16.09.2026

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Exchange Online

Updated September 15, 2026: We have updated the timeline. Thank you for your patience. We’re introducing the ability for organizations to customize Microsoft 365 profile cards by adding up to 10 custom properties sourced from external systems such as HR platforms. This enhancement helps enrich user profiles with relevant organizational details, improving discoverability and context for collaboration. This message is associated with Microsoft 365 Roadmap ID 529851. When this will happen:General Availability (Worldwide): We will begin rolling out in October 2026 (previously September) and expect to complete in October 2026 (previously September). How this affects your organizationWho is affected: Microsoft 365 tenant admins managing user profile cards What will happen: You can add up to 10 custom properties to profile cards using Microsoft Graph People connectors. Properties can be sourced

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14.09.2026

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Exchange Online · Microsoft 365 apps

Updated September 14, 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 mid-November 2026 (previously end of September). [How this will affect your organization:] Before this roll