Microsoft Office SharePoint Server 2013 is an integrated suite of server capabilities that provides comprehensive content management and enterprise searching. Support is provided for all intranet, extranet and web applications across an enterprise within one integrated platform.
It integrates closely with Microsoft Office applications and can render Microsoft Office documents in web pages. Documents can be edited from within the browser with the correct server side infrastructure. Microsoft Excel and Microsoft InfoPath applications can edit other document types directly in the document library. Microsoft Office SharePoint Server can use Excel Services to enable Excel workbooks to be loaded, edited and displayed in a SharePoint page. All calculations happen on the Microsoft Office SharePoint Server. Microsoft Office SharePoint Server 2013 can also host and render Microsoft InfoPath forms using the Infopath Forms Services so that they can be viewed and filled in.