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How to recover a hacked or compromised Microsoft account
If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.
OneDrive release notes - Microsoft Support
New features gradually rolling out: Improvements to folder backup opt-out experience.We are updating the behavior when users turn off folder backup.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
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.
激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活,其最后会变为未授权,且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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 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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
共享 OneDrive 文件和文件夹 - Microsoft 支持
OneDrive 上的文件在共享之前是私有的。 请记住,使用编辑权限共享文件夹时,你与之共享的人员可以 将共享文件夹添加到自己的 OneDrive。 这使他们可以将该文件夹与他们自己的文件夹和项目保留在一起、轻松地在文件夹之间移动项目以及更轻松地脱机处理项目。
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。
修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题,则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风,则表示你可能需要先授予应用相关权限才能使用它。
مستكشف أخطاء Windows Update ومصلحها - دعم Microsoft
إذا تلقيت رمز خطأ أثناء تنزيل تحديثات Windows وتثبيتها، بإمكان مستكشف أخطاء Windows Update ومصلحها أن يساعدك على حل المشكلة.
在 Microsoft Teams 中安排会议 - Microsoft 支持
在日程安排表单中,可以为会议指定标题、邀请人员和添加会议详细信息。 使用“日程安排助理”查找适合每个人的时间。 在 “日程安排助理”中,可以看到与会者在不同时间段内的时区、计划和可用性。 “日程安排助理”网格将显示每个与会者的日程安排。当与会者忙碌或进行临时会议时 ...
Applies To: Microsoft Teams
将存为文本的数字转换成数字 - Microsoft 支持
存储为文本的数字可能会导致意外结果,例如显示未计算的公式而不是结果。 使用公式将文本转换为数字. 可使用 value 函数仅返回文本的数值。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App