了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。

Find answers to common questions about genuine Windows software.

How to use Bcc (blind copy) in Outlook to send a private copy of a message to recipients you specify.

Learn how to create a team from scratch in Microsoft Teams with step-by-step instructions and tips for managing teams and groups.

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

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.

The Tasks app in Microsoft Teams brings together your individual tasks from To Do and Outlook with your team tasks from Planner so you can more efficiently cross them off your lists.

In Teams, the meeting lobby keeps participants from joining a meeting until they’re admitted by an organizer, co-organizer, or presenter. When people are in the lobby, organizers, co-organizers, and presenters are notified and can choose when to admit them to the meeting.

Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen

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