https://whitepages.unlimitedviz.com/2010/12/unc-path-naming-for-files-stored-on-sharepoint-2/

https://blogs.msdn.microsoft.com/johnguin/2012/06/24/enabling-the-webclient-service-in-windows/

http://www.smartdigitizers.com//other-development-tips/accessing-sharepoint-folders-using-unc/