A certificate used to validate licensing for Microsoft 365 Apps on Mac and iOS devices is set to expire in July 2026. Administrators should review their versions to avoid disruptions.
Microsoft is updating how access controls are enforced in Purview Data Explorer and Content Explorer. Administrators should verify that users hold the appropriate role or role group before the change rolls out in May 2026.
Microsoft is reverting the app launcher changes from 2025 on the Microsoft 365 start page, but inconsistency across Microsoft 365 products remains an ongoing challenge.
Copilot in SharePoint is transitioning from opt-in to opt-out, meaning Copilot will be enabled by default on all SharePoint sites for licensed Microsoft 365 Copilot users starting in June 2026. Admins should review their SharePoint tenant settings.
Microsoft has rebranded AI in SharePoint to Copilot in SharePoint, surpassing even Bing Chat Enterprise as the shortest-lived Copilot brand.
Microsoft is improving code blocks in Teams with line numbers, retained programming language selection, and other enhancements.
Microsoft has released a new Office Cloud policy that lets administrators require an existing Microsoft 365 Group for new Loop Workspaces. However, a current bug or incomplete rollout also blocks workspace creation in Teams Standard channels.
Teams Phone now supports multi-line users, letting administrators assign up to 10 numbers to a single Teams Phone user.
Microsoft has started assigning the new Purview workload admin roles in Microsoft Entra, triggering PIM assignment notifications for administrators.
Microsoft is updating the Microsoft-managed default user consent policy for Microsoft Graph as part of the Secure Future Initiative, requiring admin consent for an expanded set of delegated permissions accessing Exchange data.
The feature allowing Business-licensed Teams users to start chats with external contacts by email address has been canceled. The previously announced feature is no longer available, and guest accounts remain the only way to chat with external users.
Microsoft has released Extended SharePoint Permissions (ESP) to general availability, keeping SharePoint access controls attached to files even after they leave the library.
Microsoft Edge 148 introduces a Copilot-inspired New Tab Page for Edge for Business, combining search, chat, and work content in a single experience. If not configured, it’s currently off by default, but users can enable it in the Edge settings.
Outlook Mobile adds a new setting that lets users keep meeting invitations in the Inbox after responding, aligning with Outlook on the web and the new Outlook.
Microsoft is changing the default app for opening Word, Excel, and PowerPoint files from Teams. Files will now open in the desktop or web app rather than within the Teams window.
Microsoft 365 profile cards now include Awards and Certifications, surfacing existing values from the profile schema for organizations already populating the information via Microsoft Graph.
Microsoft Defender now flags devices still relying on the older Secure Boot 2011 certificates, helping organizations to identify which ones need attention before they begin expiring in June 2026.
Events in Teams, such as Town halls, Webinars, and Meetings, now support a backup RTMP-In source to keep a live broadcast running if the main stream is interrupted.
Microsoft has rebranded Windows 365 Frontline to Windows 365 Flex. The product itself, including how it works and the licensing, remains unchanged.
Federated Copilot Connectors are enabled by default for Copilot-licensed users. AI administrators can now change the default setting via PowerShell and re-enable specific connectors for selected users and groups.