Microsoft 365 Copilot is a new AI tool that combines the power of large language models and business data from Microsoft 365 apps to unleash creativity and upskill users. The tool works seamlessly alongside apps such as Word, Excel, PowerPoint, Outlook, and Teams, and includes a new business chat feature that brings together data from various sources to summarize chat, emails, and plans based on projects. Copilot is enterprise-ready and built using Microsoft’s comprehensive approach to security, compliance, and privacy.