The Import/Export function allows you to select only the specifications you need and either export them to file or import them into your database.
Managing conflicts between a specification to be imported/exported and an existing one
Separate functionality allows you to import or export tables:
Importing text files to use as tables (Administration module)
Exporting invoice profiles and associated objects and importing them
Exporting invoice definitions and importing them
Exporting and importing invoice states
Exporting and importing invoice field types
Backing up the configuration database