Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Windows 中的登录选项用于增强用户帐户安全性和登录便利性的各种用途。 可以从“设置”应用访问登录选项。 在 Windows 设备上的“设置”应用中 ，选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式：. 登录选项

Learn how to use your Outlook inbox effectively with Microsoft Support's training resources.

If there was an unusual sign-in attempt for your account, you'll get an email or text message. We'll send a message to all your alternate contact methods.

症状. 当你离开家并使用家庭电子邮件帐户发送电子邮件时，你的电子邮件可能会返回并显示 550、553 或中继禁止的错误消息。

如果要在现有的 Outlook.com 帐户中使用新的电子邮件地址，请按照本文中的说明创建电子邮件别名。 这将为您提供一个额外的电子邮件地址，该地址使用相同的收件箱、联系人列表和帐户设置作为您的主电子邮件地址。

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Learn how to create an Xbox profile. You’ll need a Microsoft account to create an Xbox account. A Microsoft account is not the same thing as an Xbox account, although you can use the same email address for both.