了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Email messages that you receive can be saved as a file on your computer, or a message that you are composing can be saved as a draft and finished later.

Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.

Get info on how to sign up for, extend, or check the latest offers on subscriptions on your Xbox console.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.