Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
在 Windows 10 中安装和使用扫描仪 - Microsoft 支持
了解如何安装扫描程序并使用它扫描 Windows 10 中的图片和文档。
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2019。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Windows 更新疑难解答 - Microsoft 支持
了解如何运行 Windows 更新疑难解答来解决下载或安装 Windows 更新时出现的错误。
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Surface help & learning
Choose from a variety of Surface devices and accessories to get help.
获取有关 Windows 激活错误的帮助 - Microsoft 支持
激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 本文将帮助你找出并改正 Windows 中常见的激活错误。
如何创建新的 Microsoft 帐户 - Microsoft 支持
注意: 可以使用你拥有的电子邮件地址作为 Microsoft 帐户，或者在注册时选择“获取新电子邮件地址”或“改用电子邮件”来 ...
从“文件”菜单打开文件 - Microsoft 支持
了解如何从 Microsoft Office 应用中搜索和打开文件。 使用快捷方式浏览最近打开的文件和文件夹。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
SharePoint Correlation ID in error messages: what it is and how to use ...
Learn what a correlation ID is and is not. While it isn't an error code, it can help SharePoint administrators find how an error or problem occured.
Applies To:
SharePoint Server 2016, SharePoint in Microsoft 365