如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作。. 如果你忘记了 Microsoft 帐户用户名或电子邮件地址， 并且 之前已在 Microsoft 帐户上设置了其他 安全信息 ，请按照以下步骤操作。

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

包含哪些内容？ 最好的 Microsoft：使用 Microsoft 帐户登录时，你可以免费获得更多内容。

Which devices support cross-device copy and paste? Cross-device copy and paste is supported on Surface Duo and Android devices that are running One UI version 2.1 or above or select HONOR devices (1.22036.14.0 or later) or OPPO devices (1.23093.0 or later) or select ASUS devices.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

如果要在现有的 Outlook.com 帐户中使用新的电子邮件地址，请按照本文中的说明创建电子邮件别名。 这将为您提供一个额外的电子邮件地址，该地址使用相同的收件箱、联系人列表和帐户设置作为您的主电子邮件地址。

Add your Outlook.com, Microsoft 365, Exchange-based email, or IMAP or POP email account to your Android phone or tablet using the built-in Android Email app.

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