Microsoft 365 Copilot combines large language models with data from the Microsoft Graph and Microsoft 365 apps to boost creativity and productivity. It works alongside users in apps like Word, Excel, PowerPoint, Outlook, and Teams, enhancing their abilities to be more creative in Word, analytical in Excel, expressive in PowerPoint, productive in Outlook, and collaborative in Teams. Copilot automates time-consuming tasks, provides suggestions, and helps individuals focus on important work, effectively reinventing productivity.