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.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。

Xbox Support 为 Xbox、Game Pass 和账单问题提供帮助。在 Xbox Support 社区中获取建议和客户服务。

附註: 您的 Hotmail 或 Outlook.com 密碼與您的 Microsoft 帳戶密碼相同。 如果您可以登入但遇到 Outlook.com 的問題，請檢查 服務狀態。 如果狀態不是顯示綠色，請等候該服務正常執行，然後再試一次。 Microsoft 會始終關注不常見的登入活動，以防其他人嘗試進入您的帳戶。 如果您旅行至新的地方，或使用新 ...

Learn more. Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date. Starting July 2025, the autofill feature in Authenticator will stop working, and from August 2025, passwords will no longer be accessible in Authenticator. Learn more.

This is a one-time process that adds your new product to your Microsoft account. After you redeem your key, you can install Office. Get help with Office.com/setup

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Find out how to get support for Microsoft apps and services.

OneDrive 桌面应用 若要访问 OneDrive 设置，请单击或点击任务栏或通知区域中的 OneDrive 图标。