Microsoft Groove Music is brand new for Windows 10. It plays your music collection on PC and other devices.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Outlook. Outlook on the web. Mail and Calendar. Available for purchase as part of Microsoft 365 or Microsoft 365. Accessible from most browsers at Microsoft 365 portal.. Available for iOS and Android devices.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.

Hide or display zero values in Excel worksheets by using an option in the Advanced tab, or by using a number format, using a conditional format, a function, and by hiding zeros in PivotTable reports.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

A complete list of all Excel functions in alphabetical order.