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Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
我运行的是哪个 Windows 操作系统版本？ - Microsoft 支持
在 Windows 8.1 或 Windows RT 8.1 中查找操作系统信息. 要查找设备运行的 Windows 版本，请按 Windows 徽标键 键 + R，并在“打开”框中键入“winver”，然后选择“确定”。. 如果你的设备运行的是 Windows 8.1 或 Windows RT 8.1，那么有关详细信息，可以参阅以下内容：
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
登录到 microsoft365.com 以查看Microsoft 365 工作或学校帐户。 登录. 安装和管理应用。 在 Office 应用 卡上，选择“ 管理”，然后选择“ 安装 ”以安装或重新安装最新的桌面应用或其他应用，例如 Project 或 Visio 。(只要管理员 为你分配了许可证 并授予你自安装的权限，安装选项就可用。
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 for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, 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 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, 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 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
如何在更改设备硬件后检查设备是否满足 Windows 11 系统要求
如果你最近对设备硬件进行了更改并尝试升级到 Windows 11，则本文适用。 硬件更改可能会影响你的升级资格，不过你需要执行一些步骤才能在“设置”中查看更新的资格。
Introduction to Office Scripts in Excel - Microsoft Support
Automate your repetitive tasks with Office Scripts in Excel for the web. Record your actions, then replay them whenever you want. You can also edit your scripts as your workflow changes. Office Scripts are stored in the cloud, letting you update any of your workbooks as needed.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web
在 Outlook 中打开 .eml、.msg 和 .oft 文件 - Microsoft 支持
打开这些文件类型的其他方法. 还可以右键单击或双击.eml、.msg或 .oft 文件，以在新版 Outlook 中打开它们。 右键单击
Applies To:
New Outlook for Windows
在 Microsoft Teams 中使用拨号盘进行呼叫 - Microsoft 支持
拨号盘可以像典型的电话一样使用，以拨打电话号码。 (还可以键入名称或 groups。) 若要从 Teams 拨打号码，请转到 “呼叫 ”，然后使用左侧的拨号盘输入要联系的人员的号码。 然后单击呼叫 。. 若要按姓名呼叫人员，请在拨号盘中键入人员的姓名。
Applies To:
Microsoft Teams
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
About Microsoft Rewards status levels - Microsoft Support
Microsoft Rewards has two status tiers: Level 1 and Level 2. Earn and keep Level 2 status by reaching 500 Microsoft Rewards points each month - no matter how you earn points, they all count toward your status.
Media Feature Pack list for Windows N editions
Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.