在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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, Excel for Windows Phone 10
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Seamlessly transfer content between your devices
Learn how to use drag and drop to transfer content between your Android device and PC.
Windows 11 System Requirements - Microsoft Support
Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.
Install and use a scanner in Windows 10 - Microsoft Support
Learn how to install a scanner and use it to scan pictures and documents in Windows 10.
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
How to earn Microsoft Rewards points - Microsoft Support
Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.
Applies To:
Microsoft account dashboard
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.
Office Help & Training
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Comment se connecter et se déconnecter d’Outlook.com
Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.
Applies To:
Outlook.com