We have Dynamics CRM 2016 on Premise and Sharepoint 2013 Founation. If we install Office Online Server, will it it possible to view and edit Word documents which are attached to Accounts in a browser?
Yes, Office Online Server, previously known as Office Web Apps, is an Office server product that delivers browser-based versions of Word, PowerPoint, Excel, and OneNote. So you should be able to open attached documents in Accounts.
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