Sign in to manage your Microsoft account and access free online services like Outlook, Word, Excel, and PowerPoint securely from any device. Access and manage your Microsoft account, subscriptions, and settings all in one place. 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. The Microsoft campus is the corporate headquarters of Microsoft Corporation, located in Redmond, Washington, United States, a part of the Seattle metropolitan area. Microsoft initially moved onto the grounds of the campus on February 26, 1986, shortly before going public on March 13. Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. Learn about Microsoft headquarters in Redmond, WA and our offices, locations, and experience centers across the United States. Get access to free online versions of Outlook, Word, Excel, and PowerPoint. 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. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent. Explore Microsoft products and services and support for your home or business. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more.