CentreStack is an enterprise File Sync, Share, & Collaboration platform. It can be deployed 100% On-Premise to provide access to shares on file servers. Once the shares are attached they can be published as team folders.
Team folder is kind of like the traditional network share, except that the team folder is for the Internet, while the network share is for LAN (Local Area Network).
There are also some advanced settings for a team folder which are visible when you enable the setting in group policy.
This video demonstrates how to enable the advanced settings for a team folder.