Microsoft retires the PowerShell controls for Copilot in SharePoint on 1 November 2026. After that date, the existing tenant settings to control Copilot in SharePoint are no longer honored. Tenants with excluded SharePoint sites should review their configuration before the retirement.
Copilot in SharePoint and Copilot in OneDrive reach general availability starting on 30 September 2026, with a hybrid billing model for SharePoint and Copilot Search as the new default search experience for Copilot Premium users.
Microsoft is removing Copilot from the top of the Teams Chat list. The Copilot app in Teams will soon be the new single entry point for Copilot Chat.
Microsoft is changing how it prices Copilot Premium. Everyday use remains included in the Microsoft 365 Copilot license, while advanced AI features such as Cowork, Code, Autopilot, and parts of Copilot in SharePoint move to usage-based billing with Copilot Credits.
Microsoft is restructuring Teams Events into foundational and advanced event features, with updated license mappings starting at the end of September 2026. Admins should review the licenses assigned to Teams Events organizers and assign an eligible Teams Enterprise license to organizers who need advanced event features.
Microsoft added a new setting in the Microsoft 365 admin center to control who can upload advanced agents and plugins to Microsoft 365 Copilot and Cowork, including uploads from the Microsoft 365 Agents Toolkit.
As announced in June, Microsoft is now terminating the existing Office 365 E3 Developer subscriptions, a few days later than scheduled.
Microsoft added a new privileged permission to the AI Administrator role in Entra ID. Users with the role can now grant admin consent to delegated permissions for applications and agents.
Viva Engage is aligning community and membership management with the Microsoft Entra model. From late September 2026, users with only the Verified Admin or Network Admin role need Yammer Administrator or Community Admin permissions to perform some actions.
Users with an existing Microsoft 365 Developer subscription are now limited to 10 GB OneDrive storage. This already happened briefly in July, and further tenant reductions may follow.
Copilot Premium users can now use Ask Copilot in Teams messages, which opens the Copilot pane with the selected message content already included.
Starting on 2 November 2026, Microsoft will preconfigure usage-based PAYG billing for new Microsoft 365 Copilot Business purchases via a CSP Partner.
Outlook on the web and the new Outlook for Windows get an optional “Classic Outlook” style. The Classic Outlook style should give users a more familiar look and feel during the transition.
Microsoft is retiring the Microsoft 365 companion apps Calendar, People, and Files. The apps will stop working in December 2026. Admins should uninstall them from managed devices and stop deploying them.
A SharePoint Embedded administrator can now update the PrincipalOwner of user-owned containers. Changing the PrincipalOwner transfers full ownership and prevents the container from being deleted by the previous owner’s account.
Copilot Chat now lets Copilot Premium users interact with shared and delegated mailboxes they already have access to, right from the chat interface. This capability can reduce the time required to review, summarize, and respond to emails while maintaining existing security and governance controls.
Microsoft has introduced a Teams Premium trial offer for eligible organizations, granting a 90-day trial subscription and a potential 50% discount on a one-year Teams Premium subscription for organizations with active Queues app usage.
The new Viva Engage Brand Center lets administrators customize the tenant’s logos, brand name, and theme color across the Engage web and mobile apps.
Microsoft has updated how Teams handles Purview Audit Logs for cross-organization meetings. Compliance administrators in a user’s own organization can now see participation details when that user joins an external meeting, not just administrators in the organization that set up the meeting.
Microsoft has added a new setting that lets organizations in France, Germany, Norway, Sweden, and Switzerland choose whether to store their Microsoft 365 data in-country or within the EU Data Boundary. The setting is off by default. If not updated, Microsoft may store customer data regionally within the EU Data Boundary rather than only in-country.