M365 Message Center

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09.06.2026

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Microsoft Copilot (Microsoft 365)

Updated June 9, 2026: We have decided not to move forward with this change at this time. We apologize for any inconvenience. You can now switch between accounts on the Copilot chat tab on iOS and Android. Simply swipe left to open the left-navigation and select from the list of supported accounts.This message is associated with Microsoft 365 Roadmap ID 490213[When this will happen:]1. General Availability (Worldwide, GCC): We have decided not to move forward with this change at this time. [How this will affect your organization:]Currently, users are only able to access the Copilot Chat tab with their default account or privacy, even if they have other accounts that support Copilot. With account-switching on iOS and Android, users will be able to access Copilot Chat from other accounts that support Copilot, enabling them to access their chat history and graph data associated with those ac

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09.06.2026

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Microsoft Viva · Microsoft Copilot (Microsoft 365)

Updated June 9, 2026: Prompt categories are now available to all customers via Public Preview in the Microsoft Copilot Dashboard in Microsoft Viva Insights. We have incorporated initial customer feedback and are continuing to evaluate additional enhancements to the prompt categories, including potential updates to the category set and underlying experience. Based on this ongoing evaluation, we will share further updates regarding future release plans, including General Availability, at a later date. Thank you for your patience. Prompt categories will be available in Microsoft Copilot Dashboard in Microsoft Viva Insights on the web to help you understand key Copilot use cases for your organization. In Microsoft Copilot Chat (work), which is grounded in work data, these prompt categories will include Ask and find, Catch up, Draft and brainstorm, and Other. These metrics will be added to th

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08.06.2026

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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

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08.06.2026

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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

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05.06.2026

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Microsoft Copilot (Microsoft 365)

Updated June 5, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] We’re introducing the ability to add public web links as references in Microsoft Copilot Notebooks. This enhancement allows users to ground Copilot responses on specific public web pages, expanding the types of content that can be used to inform and contextualize their work.A Microsoft 365 Copilot license is required to use this feature. This message is associated with Microsoft 365 Roadmap ID 516040. [When this will happen:] General Availability (Worldwide): Rollout will begin in late May 2026 (previously late April) and is expected to complete by end of June 2026 (previously end of May). [How this will affect your organization:] Who is affected: All users of Microsoft Copilot Notebooks with a Microsoft 365 Copilot license.What will happen: Users will be able to add public web links as refer

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05.06.2026

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Exchange Online · Microsoft 365 apps

Updated June 5, 2026: We have updated the timeline. Thank you for your patience. IntroductionWe’re enhancing offline functionality in the new Microsoft Outlook for Windows. This update (Microsoft 365 Roadmap ID 496371) enables users to add file attachments while composing emails offline, improving productivity for those working without an internet connection. When this will happen Targeted Release (Worldwide): Rollout begins in late October 2025 and is expected to complete by late March 2026 (previously late November 2025). General Availability (Worldwide): This is now currently available.General Availability (GCC): Rollout begins in early June 2026 (previously early May) and is expected to complete by end of June 2026 (previously late May).How this affects your organization Users with offline mode enabled in the new Outlook for Windows will be able to attach files to draft emails while