Microsoft account security info & verification codes
Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.
Applies To:
Microsoft account dashboard
Set up a security key as your verification method
Insert your security key into the USB port or tap your NFC reader to verify your identity. Follow the on-screen instructions, based on your specific security key manufacturer. If your key manufacturer isn't listed in the on-screen instructions, refer to the manufacturer's site for more information.
Cellular settings in Windows - Microsoft Support
However, if you're having cellular connection problems, changing one or more settings may help. The following is a list of key Cellular settings that you can use to try and fix cellular connection problems. Settings vary by Windows 11 device model and mobile operator.
Download the new Microsoft Edge based on Chromium
Microsoft Edge Windows 10. The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.
Common file name extensions in Windows - Microsoft Support
In File Explorer under View, in the Show/hide group, select the File name extensions check box. Below is a list of common Windows file name extensions and formats. Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.
Clicking "Internet Options" on the Tools menu returns error message ...
Symptoms. When you click the Internet Options command on the Tools menu in Internet Explorer, you may receive the following error message: This operation has been canceled due to restrictions in effect on this computer. Please contact your system administrator.
someone@example.com-您是否正在寻找电子邮件地址？ - Microsoft 支持
someone@example.com-您是否正在寻找电子邮件地址？. 在 Outlook 中查找电子邮件地址？. 使用 "搜索通讯簿" 框。.
Applies To:
Outlook 2007
加入俱乐部 | Xbox Support
了解如何加入俱乐部，以便你可以聊天、玩游戏、共享内容以及加入其他玩家的群。. 同时了解如何退出俱乐部。.
激活 Office - Microsoft 支持
选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 Office 产品密钥. 解决 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 了解详细信息. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备好进行安装 ...