LegiMapper temporarily autosaves your changes as you work. This working save is a temporary. To save your water systems before you log out, click the Save System button for on each system. In order to export your diagram or report, you must save all of the systems by clicking the Save System button even the systems have been autosaved. If you don't save and attempt to download your system or diagram, you will see a a pop-up message with the list of systems that you need to be saved before you can proceed.