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.

Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.

Training: In Microsoft PowerPoint, you can record your presentation, narration, and animation timings to give it a professional and polished feel. Watch this video to learn how.

了解如何安装 Visio 2013 和 2016 以及 Visio Pro for Microsoft 365。

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.

To mark a message as important or urgent in Microsoft Teams, select Set Delivery Options ! beneath the compose box and then click Important or Urgent.

此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。

了解如何在 Windows 10/11 上更改捕获设置。

How to change a birth date on an adult's Microsoft account. Edit your Microsoft account profile using the credentials of the account you wish to update.

如何更改成人 Microsoft 帐户上的出生日期. 使用要更新的帐户凭据编辑 Microsoft 帐户配置文件。 登录