Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
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
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Install Office 2007 - Microsoft Support
When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.
Applies To: Office 2007
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To: Microsoft Teams
Manage devices used with your Microsoft account
Download Microsoft Edge from the Apple App Store and sign in with your Microsoft account.
Applies To: Microsoft account dashboard
Pair a Bluetooth device in Windows - Microsoft Support
In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.Select Bluetooth to turn it on. If it's turned on without any Bluetooth devices connected, it might appear as Not connected . If you don't see Bluetooth in quick settings, you might need to add it.
Photo viewer for Windows 10 - Microsoft Support
Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with.If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.
TPM 2.0 - Microsoft
本文适用于无法升级到Windows 11的用户,因为他们的电脑当前未启用 TPM 2.0,或者他们的电脑能够运行 TPM 2.0,但未设置为这样做。 如果你不熟悉此级别的技术详细信息,我们建议你查阅电脑制造商的支持信息,了解有关特定于你的设备的更多说明。
Emparejar un dispositivo Bluetooth en Windows
En la configuración rápida: Para buscar la configuración rápida de Bluetooth, selecciona los iconos de red, sonido o batería ( ) junto a la hora y fecha en el lado derecho de la barra de tareas.Selecciona Bluetooth para activarlo. Si está activada sin ningún dispositivo Bluetooth conectado, es posible que aparezca como No conectado . Si no ves Bluetooth en la configuración rápida, es ...