eBookBinder projects can be exported to be shared with others, save them for the future, or edit them on another Mac.
To do this, select File > Export eBookBinder Project in the Main menu. A save dialog will appear, in which you can specify where the file should be saved. Then the file is saved under the chosen location with the file-extension ebbproject.
The section Import eBookBinder Project explains how to import eBookBinder projects.