M365 Message Center

Geändert

24.02.2026

Services

Windows

Learn about tools and options available to organizations to update Secure Boot certificates on Windows Server. Certificates begin expiring in June 2026. You must update them before that date to help keep your security posture. Many recent platforms already include the supported 2023 certificates in firmware. However, for the ones that need to be updated, you need to manage this process manually. When will this happen: The tools are already available to help you to proactively inventory, monitor, and apply updated certificates to your Windows Server devices.June 2026: The 2011 Secure Boot certificate authorities (CAs) begin expiring. How this will affect your organization: Systems on the 2011 CAs after June 2026 are at risk of running on degraded security posture. To update these systems, please be proactive and follow our recommended approach. What you need to do to prepare: Read complet

Geändert

20.02.2026

Services

Windows

Three Windows products first released in 2016 are close to reaching end of support. If your organization has devices running Windows 10 Enterprise LTSB 2016, Windows 10 IoT Enterprise 2016 LTSB, and Windows Server 2016, plan to migrate devices to a newer, supported version. If you cannot move to a newer, supported version in time, the Extended Security Updates (ESU) program offers a temporary solution to help keep devices protected in the meantime.When will this happen:Here are the upcoming end-of-support dates to note:Windows 10 Enterprise LTSB 2016: October 13, 2026Windows 10 IoT Enterprise 2016 LTSB: October 13, 2026Windows Server 2016: January 12, 2027 On these dates, devices running these versions will receive a final monthly security update. After that, devices will no longer receive Windows security updates, non-security updates, bug fixes, technical support, or online technical c

Geändert

20.02.2026

Services

Microsoft Copilot (Microsoft 365)

Updated February 20, 2026: We have updated the timeline. Thank you for your patience.Disclaimer: The original message center post was published on August 1, 2025. We previously stated that this is a new feature when it is an expanded capability of the existing feature memory in Copilot. This expanded capability requires new processing of users' data, which is outlined below. We have edited the content below for accuracy and clarity. Thank you to the customers who provided feedback over the past few weeks. We have adjusted our roadmap to address your needs and concerns. Starting September 1, 2025, Microsoft 365 Copilot will start remembering key highlights from your person-to-person communications in chats, emails, and meetings. Initially these memories will be used to improve the quality of Copilot responses to people-related questions. These memories are private to the user. This featur

Geändert

19.02.2026

Services

Windows

The Microsoft 365 admin center Message center includes personalization features that help you focus on Windows-related updates and reduce information overload. By configuring service preferences, filters, and columns, you can prioritize Windows feature updates, security updates, hardening changes, and lifecycle announcements that are most relevant to your environments. Additional tools such as Planner syncing, search, and email notifications can help track actionable messages and support effective change management across Windows devices and environments.When will this happen:This capability is already available in the Microsoft 365 admin center.How will this affect your organization:By tailoring the Message center to focus on Windows content, you can more easily identify feature updates, security and out‑of‑band updates, hardening changes, and lifecycle announcements that require awaren

Geändert

19.02.2026

Services

Planner

Updated February 19, 2026: Performance may be slower on some browsers for large basic plans with more than 300 tasks. For best results, please use the latest versions of Edge (144 or higher) or Chrome (144 or higher). Meanwhile, we're also working on an update that we expect to improve performance.[Introduction] In early 2026, a major update of Planner will begin rolling out. This update will introduce several new capabilities. In addition, several features will be retired from Microsoft Planner. These changes will begin rolling out between mid-January 2026 and mid-February 2026. [When this will happen:]Refer to the sections below for details on timing. [How this affects your organization:]Who is affected: All users of Microsoft Planner in your organization, including those using Planner components in Loop, integrations with Viva Goals, and premium Planner plans.What will happen: In earl

Geändert

17.02.2026

Services

Windows

The updated Start menu is gradually rolling out. It brings the “All \[apps\]” section to the top level of the Start menu with new views (category and grid). The size of the Start menu is dynamic to the user's device. Additionally, updated policies now make it easier for you to configure Start. When will this happen: Start menu began gradual rollout in October 2025 to general audiences. The rollout of Start menu to organizations will begin in the second quarter of the calendar year 2026. How this will affect your organization: Devices will begin updating to show the new Start menu. In addition to the existing policies, the following policies give you more control:HideCategoryView: This is a net new policy that can be applied to the updated Start menu design. Turn off the new category view in the "All \[apps\]" section, so devices show the grid view by default. Note: If you already have Hi