LOOKUP 函数 - Microsoft 支持
如何在 Excel 中使用 LOOKUP 函数在单个行或列中搜索，并从第二行或列中的相同位置查找值。
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
Sign in to Xbox | Xbox Support
Need help setting up an Xbox account or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.
What's imported to Microsoft Edge - Microsoft Support
Learn more about what items get imported from Google Chrome and other browsers to Microsoft Edge and how to import Third-Party Passwords to Microsoft Edge.
安装 Microsoft Defender - Microsoft 支持
Microsoft Defender是一种新的安全应用，可帮助跨所有设备保护你和你的家人;Windows、Android、Mac 和 iOS。
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
为升级 Windows 11 准备就绪 - Microsoft 支持
从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Renew Microsoft 365 for personal or family use
Learn how to renew your Microsoft 365 Family or Microsoft 365 Personal subscription online or from a retail store.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Microsoft 365 for home, Office for business, Office activation
Outlook.com 的 POP、IMAP 和 SMTP 设置 - Microsoft 支持
如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置中查看它们。. Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Change the email address or phone number for your Microsoft account
Learn how to change the email address or phone number that’s associated with your Microsoft account.
How to contact MSN Customer Support - Microsoft Support
Summary. MSN is the Microsoft information and entertainment network. MSN offers Internet subscriptions and services. This article describes how to contact MSN Customer Support.