Family & online safety | Xbox Support
Learn about Xbox online safety so you can manage your family's accounts.
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
将两个或更多个单元格的文本合并到一个单元格 - Microsoft 支持
如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
修复 OneDrive 同步问题 - Microsoft 支持
联系支持人员 有关 Microsoft 帐户和订阅的帮助，请访问 帐户和计费帮助。. 如需技术支持，请转到联系 Microsoft 支持人员，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。 管理员
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Office 365 Small Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
查找和删除重复项 - Microsoft 支持
如何在 Excel 中查找和删除重复项。 筛选大型或小型数据集中的唯一值，以清理工作表和工作簿。
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To:
Microsoft account dashboard
2024 年 6 月 11 日 — KB5039211 (OS 内部版本 19044.4529 和 19045.4529)
Windows 10 版本 2004 和 Windows Server 版本 2004 更新历史记录; 终止服务声明; 2021 年 12 月 14 日 - KB5008212（OS 内部版本 19041.1415、19042.1415、19043.1415 和 19044.1415）
Windows 11, version 21H2 update history - Microsoft Support
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Internet Explorer help - Microsoft Support
Internet Explorer 11 support ended. Support for Internet Explorer 11 ended on June 15, 2022. If any site you visit needs Internet Explorer, you can reload it with Internet Explorer mode in Microsoft Edge.. Get started with Microsoft Edge