Switching out of S mode in Windows - Microsoft Support
Windows 10 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.
升级到 Windows 10 专业版 - Microsoft 支持
了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。 按“提交”即表示你的反馈将用于改进 Microsoft 产品和服务。 你的 IT 管理员将能够收集此数据。
Recover lost or deleted files - Microsoft Support
If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.
About the Microsoft Support and Recovery Assistant
Scenario. Description. Recommended solution. Excel Crash. Resolves Excel startup/crashing issues. Fix my Excel startup issue. Uninstall Office. Uninstall any version of Office
适用于:
Microsoft 365 专属 Outlook, Office 2021, Office 2019, Office 2016, Microsoft 365 家庭版, Microsoft 365 管理员
Office アプリケーションを修復する - Microsoft サポート
破損した Office アプリのインストールを修復します。 クイック実行 [Office プログラムをどのように修復しますか] ウィンドウで、[オンライン修復]、[修復] の順に選択して、修復する項目がすべて選択されていることを確認します (より高速な [クイック修復] オプションも利用できます。
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, OneNote for Microsoft 365, 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, Office 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, Office 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, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, InfoPath 2013, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
在 Excel 公式中使用计算运算符 - Microsoft 支持
运算符用于指定要对公式中的元素执行的计算类型。 Excel 遵循一般数学规则进行计算，即括号、指数、乘法和除法以及加减法或首字母缩略词 PEMDAS (请原谅我亲爱的阿姨 Sally) 。 使用括号可以更改该计算顺序。 计算运算符分为四种不同类型：算术、比较、文本连接和引用。
适用于:
Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016, Excel 2013
Enable virtualization on Windows 11 PCs - Microsoft Support
Virtualization lets your PC emulate a different operating system, like Android™ or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your PC.
Install Project - Microsoft Support
Note: Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019: Microsoft Workplace Discount Program (formerly known as Home Use Program ...
适用于:
Project Online 桌面客户端, Project 专业版 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project 专业版 2016, Project Standard 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Project for Office 365
Xbox Support
Xbox Support 为 Xbox、Game Pass 和账单问题提供帮助。在 Xbox Support 社区中获取建议和客户服务。We are aware of an issue with the latest update to Minecraft on PC via the Xbox app. Check here for known game issues.
Get updates for apps and games in Microsoft Store
Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? 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.