修复 Office 应用程序 - Microsoft 支持
如果Microsoft 365 应用程序（如 Word 或 Excel）无法正常工作，有时重启会解决问题。 如果这不起作用，你可以尝试修复它。
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
Send an email to a channel in Microsoft Teams
When you reply to an email message that has been sent to a channel, it's treated like a reply to any other post in a channel. Replying to the post in Teams doesn't send an email reply to the original sender. Any comments or conversations you have about the email in a channel aren't visible outside of Teams. View the original email
Applies To:
Microsoft Teams
取消 Microsoft 365 订阅 - Microsoft 支持
警告: 如果取消Microsoft 365 基础版或Microsoft 365 个人版订阅，存储空间限额将还原为 5GB 的云存储空间，其中包括 OneDrive 和 Outlook.com 附件，以及 15GB Outlook.com 存储空间。 如果取消Microsoft 365 家庭版 订阅，你与之共享订阅的所有人员也会减少其存储空间限额。 如果你或与你共享订阅的人员使用了超过 ...
登录并开始使用 Teams - Microsoft 支持
选取团队和频道. 团队是人员、对话、文件和工具的集合 - 全部在一个位置。频道是在团队中进行的讨论，专门针对某个部门、项目或主题。. 熟悉团队和频道的最佳方式是选取一个团队和频道并开始使用！ 选择应用左侧的“Teams” ，然后选取一个团队。 如果你不属于团队并想创建一个团队，请参阅 ...
Applies To:
Microsoft Teams
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 。
Office Help & Training
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更新安全处理器 (TPM) 固件 - Microsoft 支持
2. 安装任何适用的固件更新. 如果你有 Surface 设备，请参阅 Surface 设备上 TPM 的安全问题以获取详细信息和说明。. 如果设备不是 Microsoft 提供的，请在下表中查找设备的设备制造商，选择相应的链接，并应用提供的固件更新。
Create and share news on your SharePoint sites
If you don't see the See all option, click Pages in the left navigation, and from the list, select the news page you want to edit. Make your changes, and then click Update news. This will republish your news page, so that anyone who can view your news post will see the changes. It does not change the order that the news post is in.
Applies To:
SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin
排查Windows 媒体播放器错误 - Microsoft 支持
如果遇到特定文件类型的错误，则可能是编解码器缺失或过时。 若要解决此问题，请执行以下操作： 检查文件属性： 确保电脑上有正确的编解码器来播放媒体文件。 若要检查文件格式和编解码器信息，请右键单击媒体文件，选择“属性”，然后转到“详细信息”选项卡。
Windows 11和安全启动 - Microsoft 支持
发布时间：2021 年 8 月. 本文适用于由于电脑当前无法安全启动而无法升级到 Windows 11的用户。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，获取特定于你的设备的更多说明。