Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
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
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Activate Office - Microsoft Support
To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.
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, Microsoft 365 admin, Project for Office 365
Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Microsoft 365 Customer Service and Support
Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft 365 Family subscription, get questions answered from anywhere via chat or request to receive a call back from one of our technical support experts.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
Microsoft 365 客户服务和支持 - Microsoft 支持
Microsoft 365 客户服务和支持. Microsoft 为消费者提供的支持类型取决于你正在调用的产品，以及你是否有 家庭 或 商业 用途的产品。. 它还可能取决于你是否需要有关 OneDrive 或 Outlook.com 等服务问题的帮助，或者有关 Windows 的帮助，但你没有现有的 Microsoft 365 订阅 ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
首次安装 Microsoft 365. 某些Office 2019、Office 2016 和 Office 2013 产品都提供产品密钥。 如果你购买的产品附带产品密钥，请在首次安装 Microsoft 365 之前使用现有或新的 Microsoft 帐户 登录并在 office.com/setup https://office.com/setup 中输入产品密钥。 通过兑换产品密钥，可以将 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
MICROSOFT软件许可条款 - support.office.com
如果您遵守这些许可条款，则您将拥有以下永久权限。. 1. 安装和使用权利。. 您可以在设备上安装和使用该软件的一个副本，在您的设备。. 2. 基于 INTERNET 的服务。. Microsoft 随该软件提供基于 Internet 的服务，并且可能随时更改或取消这些服务。. 您不得以任何 ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
使用由世纪互联运营的 Microsoft 365 安装 Office - Microsoft 支持
在 https://portal.partner.microsoftonline.cn/OLS/MySoftware.aspx 中登录到中国的 由世纪互联运营的 Office 365. 注意: 如果没有看到列出 Office，则你的计划可能不包含 Office 应用程序。. 或者你没有安装这些应用程序所需的许可证。. 如果未列出 Office ，请让你的 Microsoft 365 管理员 ...
Applies To:
Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin