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. Access and manage your Microsoft account, subscriptions, and settings all in one place. Sign in to manage your Microsoft account and access free online services like Outlook, Word, Excel, and PowerPoint securely from any device. The official Microsoft Download Center. Featuring the latest software updates and drivers for Windows, Office, Xbox and more. Operating systems include Windows, Mac, Linux, iOS, and Android. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent. Get access to free online versions of Outlook, Word, Excel, and PowerPoint. Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. 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 Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more. Explore Microsoft products and services and support for your home or business. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more.