What is: Multifactor Authentication - Microsoft Support
How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!
Add another account within Microsoft Teams (free)
See instructions on how to add an account within Microsoft Teams (free) on your desktop and mobile devices.
Applies To:
Microsoft Teams, Microsoft Teams personal
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。
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
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
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
在 Microsoft Teams 中登录、注册、注销和添加新帐户 (免费)
注意: 注册 Microsoft Teams（免费版）与使用工作帐户（通常由 IT 管理员分配为具有使用 Teams 许可证的组织的一部分）或学校帐户（作为学校或教育机构的一部分）不同。详细了解 Microsoft Teams（工作或学校）。
Applies To:
Microsoft Teams, Microsoft Teams personal
在 Microsoft Teams 会议中使用实时字幕 - Microsoft 支持
设置实时翻译字幕 在事件中. 在市政厅和直播活动中，组织者预先选择与会者可以查看实时字幕的语言。 组织者可以从 50 多种语言中选择 6 种语言或 10 种语言（如果有高级语言）。
Applies To:
Microsoft Teams
Send feedback to Microsoft with the Feedback Hub app
Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.
Internet Explorer 下载 - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。
Microsoft Bing help - Microsoft Support
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