Microsoft 365 (formerly Office 365) subscriptions offer a suite of productivity tools and cloud services with world-class security and powerful AI. Try for free. Microsoft Corporation is an American multinational technology company headquartered in Redmond, Washington. The company became influential in the rise of personal computers through software like Windows and has since expanded into areas such as Internet services, cloud computing, artificial intelligence, video gaming, and more. Get access to free online versions of Outlook, Word, Excel, and PowerPoint. Explore Microsoft products and services and support for your home or business. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more. Access and manage your Microsoft account, subscriptions, and settings all in one place. Do what you love. Create the future you want. Explore the career options that Microsoft has to offer Stage. Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent. Create your Microsoft account to access various services and features. Sign-in options Terms of use Privacy & cookies.