Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Use an existing Microsoft account to get started, then add your new account later. Set up your PC using a local account, then learn how to Change from a local account to a Microsoft account.

A Microsoft account recovery code is a 25-digit code used to help you regain access to your account if you forget your password or if your account is compromised.

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.