Zip and unzip files - Microsoft Support
This article explains how to zip and unzip files.
“Microsoft 手机连接”和“连接至 Windows” 简介 - Microsoft 支持
“你的手机”现在是“Microsoft 手机连接”！ 详细了解我们最近对电脑和 Android 移动应用的名称更改。
Use Snipping Tool to capture screenshots - Microsoft Support
Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.
How do I use the Fn key/F Lock key/Alternate command keys?
This article shows you how to use the Fn key and the F lock key.
How to go passwordless with your Microsoft account
Learn how to remove passwords from your Microsoft account to increase security.
Applies To:
Microsoft account dashboard
Solve PC problems remotely with Remote Assistance and Easy Connect
Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Réinstaller Windows - Support Microsoft
Découvrez comment réinstaller Windows sur votre PC et comment l’activation fonctionne après son installation.
Reset OneDrive - Microsoft Support
Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
SUMIFS function - Microsoft Support
How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.
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