管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
注意: 通过员工Microsoft工作区折扣计划购买的某些产品(以前称为家用许可计划) 权益或批量许可证版本 (由组织的 IT 部门管理，) 可能不需要帐户。 以下信息不适用于这些 Office 版本或 Microsoft 365 订阅。
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
修复 Windows 中的打印机连接和打印问题 - Microsoft 支持
重新安装打印机. 如果打印机已打开并连接到网络，Windows 应该能够轻松地找到它。 可用打印机可以包含网络上的所有打印机，如蓝牙和无线打印机，或者插入另一台计算机和在网络上共享的打印机。
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.
Fix problems uploading files on the OneDrive website
Learn more about the error messages you might receive when you try to upload files on the OneDrive website.
Applies To:
Office for business, OneDrive (home or personal)
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To:
PowerPoint for the web
在 Microsoft Teams 中登录、注册、注销和添加新帐户 (免费)
了解如何使用 Microsoft 帐户（如果你使用 Skype、OneDrive、Outlook.com 或 Xbox Live） (免费) 登录和注销 Microsoft Teams。
Applies To:
Microsoft Teams, Microsoft Teams personal
Create a site with SharePoint Online - Microsoft Support
Training: Switch to SharePoint Online from Google Sites and start working together with these quick instructions on how to access, upload, and share the content, information, and apps your team relies on with SharePoint Online.
Applies To:
SharePoint in Microsoft 365
输入 Office 产品密钥的位置 - Microsoft 支持
我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
欢迎使用 Windows 中的 Copilot - Microsoft 支持
使用 Copilot 应用在 Windows 设备上体验 Microsoft Copilot！ Copilot 应用可帮助你从整个 Web 获取答案和灵感，支持创造力和协作，并帮助你专注于手头的任务。
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。