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COUNTIFS function - Microsoft Support
This video is part of a training course called Advanced IF functions.. Syntax. COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments:
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
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.
Reactivating Windows after a hardware change - Microsoft Support
In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.
Outlook help & learning
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content
Pin apps and folders to the desktop or taskbar - Microsoft Support
To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.
Create an ISO file for Windows 10 - Microsoft Support
Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10. Make sure you have a license to install Windows 10, and then follow these steps:
How do I reassign hot keys for my keyboard? - Microsoft Support
Note: The options listed in this wizard vary depending on the key selected.For example, since you cannot reassign the Windows key, the only option available is to disable it.
Microsoft Store doesn't open - Microsoft Support
If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.
Find your Office product key - Microsoft Support
Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.
Iniciar sesión en Xbox | Xbox Support
En la pantalla Elegir una cuenta, haz clic en el botón de la cuenta de Microsoft.; En la pantalla Agregar tu cuenta Microsoft, escribe la dirección de correo electrónico y la contraseña asociadas a la cuenta Microsoft que usas para iniciar sesión en tu perfil de Xbox.; En la pantalla Hazla tuya, tendrás la opción de convertir esta cuenta de Microsoft en tu cuenta principal.