Family & online safety | Xbox Support
Learn about Xbox online safety so you can manage your family's accounts.
导入或导出文本（.txt 或 .csv）文件 - Microsoft 支持
通过在 Excel 中打开文本文件来导入它. 可以使用“ 打开 ”命令打开在另一个程序中作为 Excel 工作簿创建的文本文件。 在 Excel 中打开文本文件不会更改文件格式 — 您可以在 Excel 标题栏中看到此格式，其中文件名保留文本文件扩展名 (例如，.txt 或 .csv) 。
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
My Computer is now This PC - Microsoft Support
Find it. To get to This PC in Windows 10, open File Explorer from the taskbar and select This PC in the left pane.. Pin it to Start. If you want This PC to show up in your Start menu, open File Explorer, right-click (or press and hold) This PC in the left pane, and then select Pin to Start. Now, there's a This PC tile on the Start menu.
Support Microsoft
Le support Microsoft est là pour vous aider avec les produits Microsoft. Trouvez des articles pratiques, des vidéos et des formations pour Microsoft Copilot, Microsoft 365, Windows, Surface, etc.
Improve accessibility with the Accessibility Checker
Apply recommended actions. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each.. To quickly correct the issues, apply one of the recommended actions. For more information on how the findings are categorized, see Rules for the Accessibility Checker. In the Accessibility pane, select an issue under Warnings or Errors.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Games & apps | Xbox Support
Learn all about games and apps for Xbox and get help with any problems you're having.
Aide et apprentissage sur Microsoft Edge
Obtenez de l’aide et du support sur Microsoft Edge. Recherchez du contenu de support Microsoft Edge, des articles pratiques, des didacticiels et bien plus encore.
Bật hoặc tắt Tường lửa của Bộ bảo vệ Microsoft
Điều quan trọng là bật Tường lửaBộ bảo vệ Microsoft, ngay cả khi bạn đã bật tường lửa khác. Tường lửa của Bộ bảo vệ Windows giúp bảo vệ bạn khỏi bị truy nhập trái phép.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows Update Delivery Optimization and privacy
Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably. You’re in control over whether you use Delivery Optimization with the settings described in this article.