Tải xuống và cài đặt hoặc cài đặt lại Microsoft 365 hoặc Office 2021 ...
Tìm hiểu cách cài đặt, cài đặt lại hoặc kích hoạt Microsoft 365 hoặc Office 2019 trên PC hoặc máy Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Browse InPrivate in Microsoft Edge - Microsoft Support
Learn how to use InPrivate browsing in Microsoft Edge if you don't want your browsing data saved on your PC.
Applies To:
Microsoft account dashboard
Xbox Cloud Gaming in Microsoft Edge with Steam Deck
How to set up Xbox Cloud Gaming on a Steam Deck device using the Microsoft Edge browser.
Applies To:
Microsoft Edge
Import or export text (.txt or .csv) files - Microsoft Support
To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Office Help & Training
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How to start a scan for viruses or malware in Microsoft Defender
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
在 Windows 中以安全模式启动电脑 - Microsoft 支持
通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。
Microsoft 365 Training
Discover a range of Microsoft 365 training videos and tutorials to enhance collaboration and productivity.
How to use focus in Windows 11 - Microsoft Support
Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.