Huge Microsoft 365 Copilot Updates in June 2026: Chat, Excel, Outlook, PowerPoint and More

Microsoft 365 Copilot keeps evolving, and in this video I walk you through the biggest updates I’ve seen as of June 2026. Resources: Introducing Microsoft Scout: https://www.microsoft.com/en-us/micro... In this video, I cover: New user interface changes in Copilot Chat The introduction of Opus 4.8 across chat and in-app experiences New Cowork updates, including Access menu changes for skills and plugins New sample prompts now available in Cowork Recently rolled out UI updates for Copilot Notebooks The new Plan mode inside Copilot in Excel New Allow actions and Edit with Copilot capabilities in Outlook The new Select brand menu and skills in Copilot for PowerPoint New custom instructions for calendars in Outlook BUILD conference announcements, including Autopilot and Microsoft Scout If you found this walkthrough useful, like the video, subscribe to the channel, and share it with someone who wants to stay current on Microsoft 365 Copilot. Key Moments: 00:00 Copilot Chat and Agent Updates 02:37 Copilot in Outlook 05:54 Claude Opus 4.8 Rollout 06:12 Copilot Cowork 07:04 Copilot in Excel 08:06 Copilot Notebooks 08:39 Copilot in PowerPoint 10:29 Microsoft Scout