To change your speaker, microphone, or camera settings in a Teams meeting or a call, go to Device settings.

With the Microsoft Forms Quick Poll add-in for Outlook or Outlook Web App, you can create a poll in seconds right within an email message.

The Tasks app in Microsoft Teams brings together your individual tasks from To Do and Outlook with your team tasks from Planner so you can more efficiently cross them off your lists.

Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.

Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

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：

For Windows 10. In the search box on the taskbar, type control panel, and then select Control Panel.. For Windows 8.1 / Windows RT 8.1. Swipe in from the right edge of the screen, tap Search (or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search), enter Control Panel in the search box, and then tap or click Control Panel.

Important: When you close your Microsoft account, your email and contacts are deleted from our servers and can't be recovered.If you use your Microsoft account with Xbox, Skype, OneDrive, or other Microsoft services, you'll no longer be able to access those services.

Learn how to find out the size of your mailbox and its folders and how to compact Outlook Data Files (.pst and .ost), which might help improve performance.