Thanks to Herwig W. Schauer the Connections Files integration with Verse on-premises is now supported.
URL to the official Technote: http://www-01.ibm.com/support/docview.wss?uid=swg22001288
Take note that the attachment preview and attachment sharing through Connections Files is not supported, this functionality will be introduced in the next release.
Many thanks Herwig!
Thoughts about HCL Connections, Domino and Sametime 
I take pleasure in, cause I found exactly what I was taking a look for. You’ve ended my four day lengthy hunt! God Bless you man. Have a great day. Bye
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I am glad I could help. ☺️
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