The document discusses the import and export features of Primavera P6 8.3. It highlights that import and export allows sharing of project data and is used to save time when transferring information between systems or users. XML format is used which supports security, calculated fields, and more granular options when importing and exporting. New features in 8.3 include the ability to import and export multiple projects simultaneously, better handling of global and resource data, use of import/export templates, and a log file to track import/export activities.