﻿Files in Data/ folder:
Accounts.xml - users anf groups info
Folders.xml - XML file containing folders info for users and groups. Can be edited at Notepad or at admin panel (AdminPanel.aspx online tool). 

Errors.xml - XML file containing errors occured at application. See "Troubleshooting" section at Documentation.
Logs.xml - logs
Links.xml - XML file for public file links info