Office Online Server is the next version of the Office Web Apps, which allows your users to view and edit Microsoft Office documents directly in their browsers. It is also a prerequisite to have the Durable Links feature of SharePoint 2016 on-premises work properly. Just like its 2013 predecessor, Office Online Server 2016 needs to be installed on its own server, and cannot coexist with a SharePoint installation. It can still be used as a standalone installation.Office Online Server is the next version of the