Office 365 is a cloud-hosted collaborative platform that can be used along with other offices 365 services like 权力BI, 微软团队, 电力自动化, 女士流, 和其他服务. While 内部 SharePoint服务器 can be hosted on the internet or intranet. Locally hosted SharePoint服务器 provides better security of documents and data, supports a higher level of customization, and better 3rd party integration. 同样，你也可以使用SharePoint服务器建立一个面向公众的网站.