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Contact us | Xbox Support
If contact us isn't working the way you expect, try the disability answer desk option on this page. Contact us
Cellular settings in Windows - Microsoft Support
Select the Network icon on the lower right corner of the taskbar, and then select Manage Cellular connections (>) for the Cellular quick setting.Often, you’ll see the name of your mobile operator under the Cellular quick setting.
在 Outlook 中打开 .eml、.msg 和 .oft 文件 - Microsoft 支持
打开这些文件类型的其他方法. 还可以右键单击或双击.eml、.msg或 .oft 文件,以在新版 Outlook 中打开它们。 右键单击
Applies To: New Outlook for Windows
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
Enforcements | Xbox Support
Find out how to submit a case review and learn more about your Xbox enforcements.
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
更改你的 Microsoft 帐户的电子邮件地址或电话号码 - Microsoft 支持
Email与 Microsoft 帐户关联的地址和电话号码称为别名,它们使用相同的联系人、在线存储、订阅和帐户设置。 可以使用任何别名登录到 Microsoft 服务或 Windows 和 Xbox 设备,并且可以选择其中任何一个来发送和接收电子邮件。
Applies To: Microsoft account dashboard
获取有关 Windows 激活错误的帮助 - Microsoft 支持
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。
发送电子邮件时,我收到 550、553 或中继禁止的错误 - Microsoft 支持
垃圾邮件和开放中继. 未经请求的商业电子邮件有时称为垃圾邮件或垃圾邮件。 垃圾邮件数量继续增加的main原因是,发送垃圾邮件的人几乎不需要发送任何费用;事实上,发件人甚至不必通过 SMTP (发送垃圾邮件,) 他们自己的 ISP 的电子邮件服务器发送垃圾邮件。
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
Hardware warranty, services, and repair
Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.