Microsoft 365 Roadmap - Get the Latest Updates 2025-07-09 01:15 Microsoft Copilot (Microsoft 365): Copilot Chat now supports more file types in search grounding. Original Save AI summary Fetch full text Add tag Add to board Notes No notes yet. Add note Highlights No highlights yet. Add highlight We are expanding the file types supported in Copilot Chat to align with the Microsoft Search experience.GA date: August CY2025