It's not supported OOTB in Office web apps server.
So you can try the below method. Please note that this method is absolutely not recommended and would most likely be overwritten in a future SharePoint CU update.
Here you go:
For hiding the Share and Embed button in Word,Excel and Powerpoint file, you need to modify the WordViewer.css , excelframe.css , ...
Yes. Office Online Server is a stand alone product that has no other dependencies. You would miss 'modern attachments' (requires Exchange 2016) as well as document previews in OWA (requires Exchange 2013 or higher).
The problem was that all the word docs I wanted to co-author in sharepoint 2016 contained ActiveX controls. After removing these objects from the docs co-authoring worked fine. There was no need to install Office Online Server.
Here is a post about that: https://support.office.com/en-us/article/troubleshoot-co-authoring-in-office-bd481512-3f3a-4b6d-b7eb-...
You can do it without OOS, but you have to make sure following things.
Document Store in SharePoint.
You have supported file format ( Co-authoring is only supported on modern file formats including: .docx (Word), .pptx (PowerPoint), and .xlsx (Excel).)
All users having the latest Office clients.
All co-authors must have permission to access and edit the ...
You can follow the steps below to troubleshoot your issue:
clear SharePoint config cache and do IISRESET.
Update the proof key by PowerShell command “Update-SPWOPIProofKey”.
If the issue exists, try to rebuild the binding using PowerShell command as below:
New-SPWOPIBinding -ServerName <ServerName> -AllowHTTP
Please see the document here: Licensing Microsoft Office software in Volume Licensing.
Referring to the document:
Office suite licenses with Software Assurance allow you to edit Office
files using the Office Online Server from the licensed device. Users
licensed for Office 365 ProPlus can also edit files using Office
If you have MS Office ...
It should be own server product on the server.
No other Server Application should be installed on it.
No Office version should be installed on Office Online Server.
Don’t Install OOS on the Domain Controller.
Tips And Tricks For Office Online Server Deployment In SharePoint 2016
Plan Office Online Server
You can install Workflow Manager along with ...