Welcome to the special edition of What's new in Microsoft 365 Copilot for both November and December 2025! Every edition, we highlight new features and enhancements to keep Microsoft 365 admins up to date with Copilot features that help your users be more productive and efficient in the apps they use every day. Let’s take a closer look at what’s new in the last months of 2025: User capabilities: Work IQ enhancements Improvements to quality and agent performance in Copilot Chat Updated navigation and search capabilities in the Microsoft 365 Copilot app Suggested references, student access, and OneNote availability for Copilot Notebooks Unified experience, Entra authentication, agent update, and more for Copilot in Teams Formula completion and Agent Mode in Excel Explanations an