Click the "Save As" option in the iPublisher program you are currently using. Choose a file directory in which to save your project. Enter a name for your project in the "File Name" field and click "Save."
Minimize the iPublisher application to expose the desktop.
Navigate to the directory in which you saved your project. Select the file and press "Apple + C" to copy the file.
Select the directory to which you would like to move the project. Open the external hard drive or thumb drive if you intend to transport the file with you.
Press "Apple + V" after navigating to the chosen directory. Wait while the project copies to its new location.