All you need to know about SharePoint Online and SharePoint Server 2019SharePoint is an enterprise portal server living under the Microsoft Office umbrella. It can be used as a local installation (on-premises) or an online service. The SharePoint Online service comes bundled with Office 365. You can use SharePoint to aggregate sites, information, data, and applications into a single portal. SharePoint 2019 contains highly integrated features that allow you to work with it directly from other Office products such as Teams, Word, Excel, PowerPoint, and many others.