[M]y attempt at a simple, graphical way to show you what O365 is, what the apps do, and how they’re related. No accurate overview of O365 is simple. As with many topics, simplification implies a drop in accuracy. So take this with a grain of salt.
SharePoint on-premises has been, and is, a popular platform for building enterprise portals (a.k.a. intranets). You can build similar portals on SharePoint Online as well, but since SharePoint Online is different from an infrastructure architecture point of view it’s important to factor in the SharePoint Online specific performance considerations when developing your new portal. This set of articles will give you guidance on the key portal design areas.
„Modern“ sites have a different level of customization options compared to „classic“ team sites. The list below gives a quick overview of the supported capabilities for „modern“ team sites.
There is now a way to set up incoming email on a library in SharePoint Online… sort of.