I have this problem...I need compare, if my "offline" project is the same as a my "online" project...for example by any checksum,projectID...etc. I need information when anybody change WinCC flexible project in panel to PLC Siemens (by any bit or byte)...I am working in a factory and here is about 200 WinCC project a I need still actual version of my project. How can I make it? Plese help me.