Creating Transport Packages 
To move content between different portal systems, portal system administrators use transport packages to bundle the content together and transport it from one portal system to another. When you create an area in Web Page Composer, a portal transport package is automatically created in the administration environment. The transport package is synchronized with the area so that any changes that you make to the area are reflected in the transport package. Both published and unpublished content is added the transport package.
If an administrator deletes the transport package, or if it does not exist for any reason, you can create it again.
To create a transport package for an area or folder, choose
(Create transport package.).
Note
This option is only available for areas when no transport package exists for the area. If the transport package exists, this icon does not appear in the editor.
A transport package is created that includes all of the areas and pages in the selected area or folder.