PowerPivot - 概述和学习 - Microsoft 支持
PowerPivot 是一种数据建模技术，用于创建数据模型，建立关系，以及创建计算。 可使用 PowerPivot 处理大型数据集，构建广泛的关系，以及创建复杂（或简单）的计算，这些操作全部在高性能环境中和所你熟悉的 Excel 内执行。
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Download and install Skype for Business on Windows
Skype for Business makes it easy to connect and collaborate with coworkers and business partners around the world: Start instant message conversations and voice or video calls.
Applies To:
Skype for Business, Skype for Business Online
如何恢复遭到黑客攻击或受到威胁的 Microsoft 帐户 - Microsoft 支持
如果你的帐户遭到黑客攻击，请使用下面的登录帮助程序工具来帮助指导你使用正确的解决方案。 该工具将询问你的电子邮件地址或电话号码，并显示适当的自助，或提供与代理交谈的机会。
Error codes in Device Manager in Windows - Microsoft Support
Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.
Excel 帮助和学习
查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。
修复 Office 应用程序 - Microsoft 支持
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 专业版 2021 Project Standard 2021 Publisher 2021 Visio Professional 2021 Visio Standard 2021 Office 2021 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 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 Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
当您尝试安装、更新或启动程序或文件时，"Windows 无法访问指定的设备、路径或文件"错误 - Microsoft 支持
有关权限的详细信息，请参阅什么是权限？. 方法 2：检查文件位置. 如果快捷方式或安装尝试访问当前不可用的位置（如联网或可移动驱动器），则可能会收到此错误。
Xbox Support
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Get help with timeline - Microsoft Support
Note: Cross-device syncing of Microsoft Entra user activity history will stop starting in January 2024.Microsoft will stop storing this data in the cloud, aligning with the previous change for Microsoft accounts (MSA) in 2021. The timeline user experience was retired in Windows 11, although it remains in Windows 10.
Accessible gaming on Xbox and Windows | Xbox Support
Learn about the tools and features that Xbox provides in our quest to make gaming accessible to players of all abilities.