Repair apps and programs in Windows - Microsoft Support
You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.
在 Outlook.com 和 Outlook 网页版中使用链接预览 - Microsoft ...
当将 URL 添加到电子邮件时，使用链接预览可以让您预览标题、 缩略图以及所链接网站的介绍等丰富内容。 关闭链接预览功能 在Outlook.com和Outlook 网页版中，在默认情况下链接预览是开启的，以便在您阅读和撰写电子邮件时，看到丰富的 Url 的预览。
适用于:
Office 商业版, Office 365 小型企业版, Outlook.com, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 VLOOKUP、HLOOKUP 和其他函数（如 INDEX 和 MATCH）根据您输入的值搜索和查找数据。 本文将让您快速回顾 VLOOKUP，然后链接到更多内容。
适用于:
Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Switch between languages using the Language bar
After you enable the keyboard layout for two or more languages in the Windows operating system, you can use the Language bar to switch between languages that use different keyboard layouts.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016
Language packs for Windows - Microsoft Support
Learn how to download, install, and configure additional language packs for various versions of Windows.
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
How to install the latest version of DirectX - Microsoft Support
Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.
Office Help & Training
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下载适用于 Surface 的驱动程序和固件 - Microsoft 支持
更新可让 Surface 发挥其最佳性能。 除了Windows 10或 Windows 11 的软件更新外，还必须进行硬件更新，也称为驱动程序和固件更新。 可以使用 Surface 应用快速检查 Surface 驱动程序和固件的运行状况。
Use Internet Explorer in Windows 10 - Microsoft Support
Internet Explorer 11 support ended on June 15, 2022. We recommend you use Microsoft Edge for a faster, more secure and more modern web browsing experience.