提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Find out how to identify and manage different file types in Windows with File Explorer and common extensions.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

重点收件箱. 重点收件箱可帮助你关注最重要的电子邮件。 它将收件箱分隔为两个选项卡 - “重点”和“其他”。 如果邮件不是按你喜欢的方式排序，则可以移动它们并设置来自该发件人的后续邮件的传送位置。

Join your work-owned Windows 10 device to your organization's network so you can access potentially restricted resources. What happens when you join your device

Location history. Some Windows apps and services that use location info also use your location history. When the location setting is on, locations looked up by apps or services will be stored on the device for a limited time (24 hours), then deleted.

尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

Check the Xbox services, games, and apps for any service outages.

Add people from your address book or contacts list, and choose OK.To select multiple people, hold down the Ctrl key as you choose members.

If contact us isn't working the way you expect, try the disability answer desk option on this page. Contact us