Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

玩家代號系統詳細數據 如果這是您第一次變更玩家代號，您可以免費變更一次。 不論您第一次註冊 Xbox 時，我們是否自動為您建立 Xbox， (表示您並未自行) 選擇它，或是在註冊時建立自己的玩家代號。

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

注册设备 登录到 account.microsoft.com 选择“设备”。 在此处，可以查看链接到你的Microsoft 帐户的所有 Xbox 和 Microsoft 设备。 选择页面顶部的“注册设备”，以开始将新 Xbox 主机或配件链接到帐户的过程。 选择“注册新设备”。 如果已使用此 Microsoft 帐户登录到新设备，则该设备可能会显示在此选项下 ...

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

查找 Xbox 主机 ID 或设备 ID 只能在“设置”中查找主机 ID。主机 ID 不同于主机序列号。

Tip: If you've already set up speech recognition, pressing Windows key +Ctrl+S opens speech recognition and you're ready to use it. If you want to retrain your computer to recognize your voice, press the Windows key, type Control Panel, and select Control Panel in the list of results. In Control Panel, select Ease of Access > Speech Recognition > Train your computer to better understand you.

从Microsoft帐户中删除现有别名 警告 删除连接到Microsoft域 (（如 @Outlook.com、@Live.com 或 @Hotmail.com) ）的电子邮件别名时，该电子邮件将从我们的系统完全删除，不能用于发送或接收电子邮件。 它不能再次用作另一个帐户的别名。 Microsoft不会回收电子邮件地址，因此将来无法回收电子邮件地址。

Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.