COUNTIFS 函数 - Microsoft 支持
备注. 每个区域的条件一次应用于一个单元格。 如果所有的第一个单元格都满足其关联条件，则计数增加 1。 如果所有的第二个单元格都满足其关联条件，则计数再增加 1，依此类推，直到计算完所有单元格。
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
Use Game Mode while gaming on your Windows device
Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Ayuda y aprendizaje de Windows
Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.
获取 Windows 中的经典免费 Solitaire 游戏 - Microsoft 支持
喜欢早期 Windows 版本中的免费 Solitaire 游戏吗？我们已将它们全部打包在一个便利的应用中，即 Microsoft Solitaire Collection。
OneDrive release notes - Microsoft Support
New features gradually rolling out: Improvements to folder backup opt-out experience.We are updating the behavior when users turn off folder backup.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Cómo canjear los puntos de Microsoft Rewards
Es posible que hayas intentado canjear puntos de Microsoft Rewards con un número de teléfono VoIP: Necesitarás un número de teléfono móvil o de línea de tierra para canjear puntos de Microsoft Rewards.Los números de voz sobre IP (VoIP) no están permitidos.
Applies To:
Microsoft account dashboard
Stay protected with Windows Security - Microsoft Support
Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.
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.