What's New in Microsoft 365 Copilot – May 2026 | 53 Updates Including Federated MCP Connectors

Welcome to the May 2026 edition of Microsoft 365 Copilot updates. In this video, I walk you through 53 new Copilot features, improvements, and updates rolling out this month — including federated MCP connectors with Canva, HubSpot, Linear, LSEG, Moody’s and Notion; GPT-5.5 Instant in Copilot Chat; Plan mode and Python in Copilot for Excel; a major Copilot Notebooks wave (generate PowerPoint, Word and Excel, Mind maps, web link references); Teams call delegation; video recap in Teams; and a chat-first mobile app redesign. Every feature is demonstrated with a walkthrough showing you exactly where to find it and how to use it.

📖 Read the full companion blog: https://www.aguidetocloud.com/blog/microsoft-365-copilot-may-2026-updates/