Welcome to the MSN home page - Microsoft Support
The new MSN website brings you the best in online information and is uniquely yours.
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
How to sign in to MSN - Microsoft Support
By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
Unblock my Outlook.com account - Microsoft Support
If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.
Applies To:
Outlook.com
How to redeem gift cards and codes | Xbox Support
Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.
Find my downloads in Windows 10 - Microsoft Support
See how to find things you've downloaded on your PC.
Manage Microsoft 365 payment information and billing for your business
Learn how to manage the payment information and billing for your Microsoft 365 subscription.
使用 Xbox 玩云游戏 | Xbox Support
了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.