Tip: If you've invited an external participant to be a guest speaker and you want to further limit their access to the meeting chat, you can schedule their presentation as the meeting's last session.The meeting organizer or moderator can then monitor the participant list during the meeting, and if the speaker joins outside their allocated time, they can manually remove them.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

警告删除与 Microsoft 域（如 @Outlook.com、@Live.com 或 @Hotmail.com）关联的电子邮件别名时，该电子邮件地址将从我们的系统中完全删除，不能再用于发送或接收电子邮件。该电子邮件别名也不能在另一个帐户上再次用作别名。Microsoft 不回收电子邮件地址，因此以后无法重新找回该电子邮件地址。

In Teams, you can call in to a meeting by going to the Calendar on the left side of the app, selecting the meeting you want to join, and dialing the phone number provided in the meeting details.. If you’re not a member of Teams, you can still join a Teams meeting from an invitation you received in Outlook or another email application.

关闭Microsoft帐户意味着你将无法使用它登录到任何Microsoft产品或服务，包括 Outlook.com 或 Hotmail、OneDrive、Xbox、Skype、Office 或 Microsoft 365、Rewards 和 Microsoft 认证。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

在日程安排表单中，可以为会议指定标题、邀请人员和添加会议详细信息。 使用“日程安排助理”查找适合每个人的时间。 在 “日程安排助理”中，可以看到与会者在不同时间段内的时区、计划和可用性。 “日程安排助理”网格将显示每个与会者的日程安排。当与会者忙碌或进行临时会议时 ...

To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

Automatically add a signature to a message. You can create an email signature that you can add automatically to all outgoing messages or add manually to specific ones.

Note: Microsoft is updating the way we ask for permission to use your voice data to improve Microsoft products that use our speech recognition technology.This may impact the data you see on your privacy dashboard. To learn more about these changes, see How does Microsoft protect my privacy while improving its speech recognition technology?