在 Windows 中通过蓝牙发送文件 - Microsoft 支持
使用 Windows 中的“设置”应用通过蓝牙发送文件。
Welcome to Copilot on Windows - Microsoft Support
Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.
View device and app use with Family Safety activity reporting
Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.
Applies To:
Microsoft Family Safety
Set up the Microsoft Authenticator app as your verification method
Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.
Turn on device encryption - Microsoft Support
Learn how to turn on device encryption, or standard BitLocker encryption in Windows.
更换 Surface 触控笔电池 - Microsoft 支持
笔帽中还有两枚纽扣电池，可能需要更换。 更换笔帽中的电池. 如果你的触控笔为有两个侧边按钮的 Surface 触控笔，则可能还需要更换笔帽中的纽扣蓝牙电池。
Outlook 数据文件（.pst 和 .ost）简介 - Microsoft 支持
Outlook 数据文件包含计算机上的电子邮件、日历、任务和其他项目。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Windows 更新疑难解答 - Microsoft 支持
了解如何运行 Windows 更新疑难解答来解决下载或安装 Windows 更新时出现的错误。
End of support for Cortana - Microsoft Support
We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To:
Microsoft account dashboard