全球客户服务电话号码 - Microsoft 支持
本页提供 Microsoft 客服的电话号码。
在 Microsoft Edge 中管理 Cookie：查看、允许、阻止、删除和使用 - Microsoft 支持
获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容
Applies To:
Microsoft Edge
What do the OneDrive error codes mean? - Microsoft Support
Learn what OneDrive error codes and messages mean and what to do about them.
How to use cloud gaming | Xbox Support
Learn how to use Xbox cloud gaming on various devices including Android, Apple, Windows, Xbox consoles, and Samsung smart TVs.
Protect your OneDrive files in Personal Vault - Microsoft Support
Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.
Applies To:
OneDrive (home or personal), OneDrive for Windows
下载Microsoft Authenticator - Microsoft 支持
使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。
Office Help & Training
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Learn about encrypted messages in Outlook.com
Learn about Outlook.com encrypted messages. Discover how to encrypt an email in Outlook, send an encrypted email, and read an encrypted email.
Applies To:
Outlook.com
Secure messages by using a digital signature - Microsoft Support
Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.