In this 3-minute demo, Rebecca Lawler from the Exchange engineering team shows how to easily attach files stored in SharePoint. She demonstrates new capabilities to edit documents and respond to the conversations from the same view in Outlook on the web.  And she explains the two infrastructure options you can use to deploy document collaboration with Exchange Server 2016. 

For more tips like this, check out the working remotely playlist at www.youtube.com/FoetronAcademy . Also, if you need any further assistance then you can raise a support ticket and get it addressed.