Learn how to download, install, and configure additional language packs for your version of Windows.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Check the Xbox services, games, and apps for any service outages.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to troubleshoot and fix problems setting up your email in Outlook.