Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

Learn how to record your steps to help troubleshoot a problem in Windows 10.

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

Surface Laptop 3 has power and style to help you get things done throughout your day the way you want. Get to know Surface Laptop 3. To help you get around, here are some diagrams for Surface Laptop 3.

This article lists things you can try to get Wi-Fi working on your Surface if you're having problems with it.

Add a device to a Windows 10 PC. By pressing submit, your feedback will be used to improve Microsoft products and services.

了解如何通过 适用于 Android 的 Windows 子系统 ™ 在Windows 11电脑上使用和安装移动应用。

The dial pad can be used like a typical phone to make a call to a phone number. (You can also type in names or groups.) To dial a number from Teams, go to Calls, and then enter the number of the person you want to reach by using the dial pad located on the left. Then click Call.

Windows Server, version 23H2; July 9, 2024—KB5040438 (OS Build 25398.1009) June 11, 2024—KB5039236 (OS Build 25398.950) May 14, 2024—KB5037781 (OS Build 25398.887)

Learn how to enable live captions in Teams meetings and see real-time subtitles for what's said. Improve your accessibility and comprehension.