About Windows backup and sync settings - Microsoft Support
Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.
Applies To:
Microsoft account dashboard
Getting started with Microsoft Family Safety - Microsoft Support
Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.
Applies To:
Microsoft Family Safety
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。
Welcome to Copilot in Word - Microsoft Support
Copilot in Word ushers in a new era of writing, leveraging the power of AI. Check out this article to learn more.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word for iPad
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
Use Game Bar to play and chat with friends | Xbox Support
Stay connected to the Xbox community! See what friends are up to, start a text or voice chat, and find players for multiplayer games.
Cloud gaming with Xbox | Xbox Support
Learn how to use Xbox cloud gaming on various devices including Android, iOS, and Windows with this comprehensive guide.
Protect yourself from tech support scams - Microsoft Support
Learn how to protect your PC, identity, and data from tech support scams.
修复 Windows 中的蓝牙问题 - Microsoft 支持
了解如何排查 Windows 中的蓝牙问题。 解决连接蓝牙设备或配件时出现的问题。