Learn how to use the Microsoft Authenticator app or another app of your choice to verify your identity when you sign in to your Microsoft account. Follow the steps to scan a QR code, add your phone number, and get an app password.

Learn how to manage your Microsoft subscription, including billing, renewal, and cancellation options.

Learn how to share your Microsoft 365 Family benefits with up to five people, and how to stop sharing or sign out from different devices. Find out how to join or leave a Microsoft family group and install Microsoft 365 desktop apps.

Find self-help options and live chat with a Microsoft specialist for Microsoft 365, Office, Windows, Xbox, Surface, and more. Sign in to get the right help and support for your product.

Learn how to sign in to Hotmail or Outlook.com with your Microsoft account password. Find troubleshooting tips, service status, and help options for Outlook.com issues.

Learn how to view, change, or cancel your Xbox subscriptions on your console or online. Find out how to pay a past-due balance, turn on recurring billing, or get help with cancellations and refunds.

Find out how to download and install Office 2016 on your PC or Mac, or reinstall it if you already have a product key. Learn how to activate Office 2016 and troubleshoot common issues.

Learn how to change the passwords saved in Microsoft Edge for your online accounts. Follow the steps to access the password settings, authenticate yourself, and update your password.

提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“是”（对于共享计算机，不建议这样做）。 或者，选中“不再显示此内容”框，然后选择“否”，以便每次都提示你输入密码。 如果无法登录，或者忘记了用户名或密码，请使用登录疑难解答。

提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者，選取 [不要再顯示這個] 方塊，然後選取 [否]，這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼，請使用我們的 [登入疑難排解員]。