Look up a forgotten username using other information. Look up your username using your security contact phone number or email address. Search

如果无法更改密码. 如果无法以这种方式更改密码，请参阅重置 Microsoft 帐户密码。. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

Automatically add a signature to a message. You can create an email signature that you can add automatically to all outgoing messages or add manually to specific ones.

In the Create New Folder dialog box, name the folder, select where to place it, and then click OK.It’s probably best to place the new folder in the Contacts folder.

你可以随时取消 Xbox 订阅。 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。

To install the Authenticator app on iOS, scan the QR code below or open the download page from your mobile device.

Notes: To reset other versions of OneDrive, read Reset OneDrive.If you're not sure which OneDrive app you have, read Which OneDrive app do I have?. Resetting OneDrive disconnects all your existing sync connections (including personal OneDrive and OneDrive for work or school if set up).

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

Tip: Also, refer to the Quick Reference Card: VLOOKUP troubleshooting tips which presents the common reasons for #NA issues in a convenient PDF file. You can share the PDF with others or print for your own reference.

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.