Get the latest info on new features for Microsoft Teams with these regularly updated release notes.

When your mic is turned on in a Teams meeting or call, background noise around you can distract others. Teams offers three levels of noise suppression to help keep meeting participants focused.

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

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：

Microsoft Edge has an improved way to copy and paste paste web URLs from the address bar into your content. This feature copies and pastes a URL as a hyperlinked title instead of as a web address.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

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

Windows 11, version 21H2; July 9, 2024—KB5040431 (OS Build 22000.3079) June 11, 2024—KB5039213 (OS Build 22000.3019) May 14, 2024—KB5037770 (OS Build 22000.2960)

Notes: By default, all searches are AND searches. You must capitalize the NOT and OR operators. Otherwise, Bing will ignore them as stop words, which are commonly occurring words and numbers that are omitted to speed a full-text search.

Get help with your questions about Microsoft Access with our how-to articles, training videos, and support content.