Microsoft Copilot is a generative artificial intelligence chatbot developed by Microsoft AI, a division of Microsoft. Based on the Microsoft Prometheus large language model, it was launched in February of 2023 as Microsoft's main replacement for the discontinued Cortana from Windows 10. Designed for Windows and connected across Microsoft 365, Copilot helps you stay focused, work across apps and content, and make progress without losing your flow. You stay in control of what Copilot can access, use, and remember, with work and personal accounts kept separate. Discover powerful prompts for Microsoft Copilot to boost your productivity. Copilot uses context from your files, meetings, emails, and chats in the apps you work in every day - so you can access the right context and take action wherever work happens. Learn about Microsoft Copilot pricing for individuals to discover the plan that best suits your needs. Unlock efficiency with your personal AI companion. Microsoft 365 includes familiar apps like Word, Excel, PowerPoint, Outlook, Teams, and OneDrive, plus Copilot experiences that help you create, find, summarize, and get things done across your work. With a Microsoft account, you can use Word, Excel, and PowerPoint in your browser for free. Copilot dynamically selects the right model based on your intent, so you get fast answers, deeper reasoning, or rich content creation as needed, without having to think about what model to use. Microsoft Copilot is your companion to inform, entertain and inspire. Get advice, feedback and straightforward answers. Try Copilot now. A copilot is an AI-powered assistant that provides support for tasks, offers insights, and boosts productivity. Agents are specialized AI tools built to handle specific processes or solve business challenges. Think of agents as the apps of the AI era, with the copilot as the interface. Copilot can answer your questions, create images and help tackle your to-do list. Here's how Microsoft's AI assistant works and what you'll need to pay for. Microsoft 365 Copilot Chat brings together work context through natural conversation, helping you understand priorities, ongoing discussions, and what needs attention next. Instead of piecing information together, you can ask questions and get grounded faster.