With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Microsoft Edge 提供两种可选的浏览模式（均衡和严格），用于增强安全性，以便在浏览 Web 和不熟悉的网站时为你提供额外的保护层。

注意: 由于 Excel 将尝试打开备用启动文件夹中的所有文件，因此请确保指定仅包含 Excel 可打开的文件的文件夹。 如果同名的工作簿同时位于 XLSTART 文件夹和备用启动文件夹中，则 XLSTART 文件夹中的文件将打开。

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

If you've received any reactions in the previous day or so, you'll get a digest email that summarizes the reactions you've received. You can unsubscribe from the digest email if you'd prefer not to receive it.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

Select your profile picture at the top right of Teams. When your account manager opens, select your profile picture again.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

对于想要允许脚本的一个或多个网站，请在“将该网站添加到区域”文本框中输入地址，然后单击“添加”。 注意： 如果地址不以“https:”开头，许多情况下需要取消选中“对该区域中的所有站点要求服务器验证(https:)”。