重新安装 Windows - Microsoft 支持
了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。
COUNT function - Microsoft Support
How to use the COUNT function in Excel to count the number of cells that contain numbers, and to count numbers within a list of arguments.
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
Archive older items automatically - Microsoft Support
Save space in your email accunt by using AutoArchive to automatically move older items to an Outlook .pst file.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
How does Microsoft storage work? - Microsoft Support
Learn about the quotas and differences between Microsoft storage and email storage.
Applies To:
Outlook.com, Microsoft account dashboard, Microsoft Teams personal, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Résoudre les problèmes audio dans Windows - Support Microsoft
Si vous rencontrez des problèmes de son ou audio, les suggestions suivantes peuvent vous aider. Ces conseils sont affichés dans l’ordre. Commencez par le premier de la liste ; s’il ne vous permet pas de résoudre votre problème, passez au suivant.
COUNTIFS function - Microsoft Support
How to use the COUNTIFS function in Excel to apply criteria to cells, across multiple ranges, and count the number of times all criteria are met.
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, Excel Web App
将数据从行转置到列，或将数据从列转置到行 - Microsoft 支持
注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Troubleshoot Designer in PowerPoint - Microsoft Support
In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016, PowerPoint for iPad, PowerPoint for Android tablets, PowerPoint Mobile
Supported devices for Phone Link experiences - Microsoft Support
A list of devices supported with Link to Windows and other features in the Phone Link app.
最新版の DirectX をインストールする方法 - Microsoft サポート
システム上でゲームとマルチメディア アプリケーションを使用できるようにする、最新版の DirectX の入手方法について説明 ...