Office Online Server

The release of Office Online Server brings tighter licensing rules for editing Office documents in a browser

Server software that enables browser-based viewing and limited editing of Excel, OneNote, PowerPoint, and Word documents; in some scenarios, use is free, in others, Office suite (Per-Device) licenses or User SLs are required; See successor, Office Online Server for details.

Server software, called Office Web Apps Server prior to May 2016, that enables browser-based viewing and limited editing of Excel, OneNote, PowerPoint, and Word documents; some functions licensed with User SLs or Office and SA.