How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

As a way to sign every time, by using a one-time password code to increase account security. This is called two-step verification or multi-factor authentication.

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 ...

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.

Connect with friends, family, and coworkers in Teams. Stay organized and connected with friends, family, and coworkers all from one app. Get started

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

在 “选择默认签名”下，设置以下选项。. 在 “电子邮件帐户 ”下拉框中，选择要与签名关联的电子邮件帐户。 可为每个邮件帐户设置多个签名。 可以将签名自动添加到所有新邮件。 在 “新建邮件 ”下拉框中转到 ，然后选择其中一个签名。 如果不想自动向新邮件添加签名，请选择“ (无) ”。