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.
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To:
Microsoft account dashboard
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
如何登录或注销 Outlook.com - Microsoft 支持
无法登录到 Hotmail 或 Outlook.com？ Microsoft 始终保持留意异常的登录活动，以防其他人试图登录到您的帐户。 如果您在去新地方的旅途中或使用新的设备，我们可能会要求您确认登录的确实是您。
Applies To:
Outlook.com
如何使用 .reg 文件添加、修改或删除注册表子项和值 - Microsoft 支持
有关注册表数据类型的详细信息，请单击下面的文章编号以查看 Microsoft 知识库中的文章： 256986 Microsoft Windows 注册表 DataValuex 的说明紧跟冒号 (或带有REG_SZ) 的等号，并且必须采用适当的格式 (例如字符串或十六进制) 。 对二进制数据项使用十六进制格式。
Xbox Support
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Microsoft Edge 說明與學習
取得 Microsoft Edge 的協助和支援。 尋找 Microsoft Edge 支援內容、使用方法文章、教學課程等等。