对 Office 使用产品密钥 - Microsoft 支持
遗憾的是，有许多不法卖家在销售被盗、滥用或未经授权的 Microsoft 产品密钥。 有时，这些产品密钥印在伪造的标签或卡片上，这些标签或卡片中包含 Microsoft 软件的下载链接；有时，它们则通过未经授权转售的软件媒体进行分发，如促销媒体、原始设备制造商重新安装媒体或 Microsoft 程序特定的 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Microsoft 365 家庭版, InfoPath 2013
发送电子邮件时，我收到 550、553 或中继禁止的错误 ...
当你离开家并使用家庭电子邮件帐户发送电子邮件时，你的电子邮件可能会返回并显示 550、553 或中继禁止的错误消息。 ... 与大多数电子邮件程序一样，Outlook 允许你指定“显示名称”以及当有人单击“答复”邮件时显示的返回电子邮件地址。
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
How to sign in to Hotmail - Microsoft Support
Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.
适用于:
Outlook.com
Cómo iniciar sesión en Hotmail - Soporte técnico de Microsoft
Para obtener soporte técnico en Outlook.com, haga clic aquí o seleccione Ayuda en la barra de menús y escriba la consulta. Si la autoayuda no resuelve el problema, desplácese hacia abajo hasta ¿Necesita más ayuda? y seleccione Sí. Para ponerte en contacto con nosotros en Outlook.com, tendrás que iniciar sesión.
适用于:
Outlook.com
How to sign in to Hotmail - Microsoft Support
Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.
适用于:
Outlook.com
修复 Windows 中的声音或音频问题 - Microsoft 支持
首先在“获取帮助”应用中运行自动音频疑难解答。. “获取帮助”将自动运行诊断，并采取正确的步骤来解决大多数音频问题。. 打开“获取帮助”. 如果“获取帮助”应用无法解决声音或音频问题，请尝试列出的可能解决方案：. Windows 11 Windows 10. 1. 检查扬声器 ...
在电脑上添加或删除帐户 - Microsoft 支持
在 “工作或学校用户 > 添加工作或学校帐户 ”下，选择“ 添加帐户 ”。. 输入此人的用户帐户，选择帐户类型，然后选择“ 添加 ”。. 如果需要从你的电脑中删除此人的登录信息：. > 其他用户 > “帐户 ”中选择 “开始 > 设置 ”。. 选择此人的姓名或电子邮件 ...
Download and install or reinstall Office 2019, Office 2016, or Office ...
Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。
Create installation media for Windows - Microsoft Support
To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)