Microsoft Copilot is an AI product that combines the power of large language models with in-house enterprise data generated by the Microsoft Graph and Microsoft 365 applications. As of Dec. 15, 2023, Microsoft consolidated three versions of Copilot (Microsoft Copilot in Windows), which requires a subscription, and a more general Copilot Pro Keyboard. In January 2024, Microsoft announced Copilot for Finance, Sales and Service. The Copilot Key enables easy access to Microsoft’s generative AI platform.