COUNTIF function - Microsoft Support
How to use the COUNTIF function in Excel to count the number of cells that meet values you set.
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
Install or reinstall OneNote for Windows - Microsoft Support
This article describes how to download and reinstall Microsoft OneNote 2016 for Windows if the app was inadvertently uninstalled from your PC.
Applies To:
OneNote for Microsoft 365, OneNote 2016, Office for business
Create a USB recovery drive - Microsoft Support
Save disk space by creating a USB recovery drive, and use it to restore, refresh, or reset your PC.
Get started at Microsoft365.com - Microsoft Support
Learn how to sign into your Microsoft account at Microsoft365.com for working online from anywhere and using Microsoft365 on the web with the desktop apps.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Office 2013, Office for business
Create an ISO file for Windows 10 - Microsoft Support
Create an ISO file for Windows 10. Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10.
Change default programs in Windows - Microsoft Support
Use Settings in Windows 10 to change default apps and programs.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...
Microsoft 365 basics video training - Microsoft Support
Training: Learn how to quickly get started with Microsoft 365, share and collaborate, work in Microsoft Teams, work from anywhere, and try cool Microsoft 365 features.
Applies To:
Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 First Release program
Sync files with OneDrive in Windows - Microsoft Support
Learn how to install and use OneDrive to sync files between your Windows device and the cloud.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Install Office 2007 - Microsoft Support
Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.
Applies To:
Office 2007