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.

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

You can use drag and drop to open email messages saved with the extension .eml, .msg, .oft in new Outlook for Windows.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Microsoft is dedicated in making Microsoft Edge the best browser for shopping with features like coupons, price comparison, price history, ratings, reviews, and more.

注意: 可以使用你拥有的电子邮件地址作为 Microsoft 帐户，或者在注册时选择“获取新电子邮件地址”或“改用电子邮件”来 ...

Learn how to identify a phishing scam, designed to steal money via fake emails.

In Microsoft Teams (free), you can use keyboard shortcuts to send a wide range of emojs. You can either find the emojis in the reaction picker or type the shortcuts below into a message to make the emoji appear when you send your message.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

如果你的设备符合硬件规格，并且 Windows 11 版本已可供设备使用，则可以从 Windows 10 升级到 Windows 11。