Sign in to Outlook to access and manage your email efficiently. Microsoft Corporation is an American multinational technology conglomerate 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 and video gaming among others. Get access to free online versions of Outlook, Word, Excel, and PowerPoint. Sign in to check and manage your Microsoft account settings with the Account Checkup Wizard. Contact Microsoft customer support The type of support Microsoft provides depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365. 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. Microsoft 365 includes Word, Excel, PowerPoint, Outlook, Teams, and OneDrive, with Microsoft Copilot built in to help you create, communicate, and summarize information. Formerly Office 365. Sign in to manage your Microsoft account and access free online services like Outlook, Word, Excel, and PowerPoint securely from any device. Explore Microsoft products and services and support for your home or business. Shop Microsoft 365, Copilot, Teams, Xbox, Windows, Azure, Surface and more.