Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。
Invite people to a meeting in Microsoft Teams
You can invite people to a Microsoft Teams meeting from the meeting invitation or from within the meeting itself.
Applies To:
Microsoft Teams
修复 Windows 中的 Wi-Fi 连接问题 - Microsoft 支持
Windows 中的网络问题疑难解答. 如果无法获取电子邮件、浏览 Web 或流式传输音乐，则很可能未连接到网络，无法访问 Internet。
在 Windows 上使用 OneDrive 同步文件 - Microsoft 支持
在“你的所有文件均准备就绪且按需可用”屏幕上，你将看到文件是如何标记的（从而使文件显示为仅联机、本地可用或始终可用）。文件随选可帮助访问 OneDrive 中的所有文件，而无需下载所有这些文件和使用 Windows 设备上的存储空间。选择“下一步”。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Xbox subscription cancellations and refunds | Xbox Support
Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.
Error 0x803F81F5 occurs when installing a game or app on a Windows 10 ...
Learn how to fix error 0x803F81F5 so you can install a game or app on a Windows 10 device.
GROUPBY-function - Microsoft 支持
groupby 函数允许通过公式创建数据摘要。它支持沿一个轴进行分组并聚合关联的值。 例如，如果你有一个销售数据表，则可以按年份生成销售摘要。
Applies To:
Excel for Microsoft 365
Welcome to the MSN home page - Microsoft Support
The new MSN website brings you the best in online information and is uniquely yours.
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows