You can save current composite image to EximiousSoft Cool Image File by using Save meau item.The criterionis of EximiousSoft Cool Image File is defined by EximiousSoft Inc. It can be saved all infomation of current editing image.If you has no time to finish residual work,you can save your editing image to an EPP file.Next time you can load the file and continue to work.When you want to save current image to other format image file ,you may choose File>Save As menu item.