屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...
修复 Windows 中的 Wi-Fi 连接问题 - Microsoft 支持
如果不是，请选择它以将其打开。 此外，请确保 飞行模式 已关闭。 在“ Wi-Fi ”快速设置中选择“ 管理 WLAN 连接 ( > )”，查看网络列表中是否显示你识别和信任的 Wi-Fi 网络。
Find and open File Explorer - Microsoft Support
Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.
Edit a PDF - Microsoft Support
Open and edit PDF content in Word. To edit a PDF, open it in Word. This works best with PDFs that are mostly text.
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
About Microsoft Authenticator - Microsoft Support
Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.
Applies To:
Microsoft account dashboard
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Windows メディア プレーヤー エラーのトラブルシューティング - Microsoft サポート
Windows Media Player のエラーをトラブルシューティングする方法について説明します。 Windows Media Player の一般的なヘルプについては、リソースを参照してください。
IF function - Microsoft Support
How to use the IF function in Excel to make logical comparisons between data values.
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
Создание установочного носителя для Windows
Создание установочного носителя для установки или переустановки Windows 7, Windows 8.1 или Windows 10.
Check or change language settings - Microsoft Support
Set the region, device language, and spoken language for your products and services.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)