How does your historian works? Is it possible to see the trending history with data selection from and to dates? Is is possible to view data and export this selection to CSV?
Sure.This chapter https://doc.ipesoft.com/pages/viewpage.action?pageId=17278338 and look at this page for screenshots: https://doc.ipesoft.com/pages/viewpage.action?pageId=17278294
Export to CSV/text file is supported.