Here, you can select which types of documents will be included in the export package. The following extra options can be configured:
•Export documents - if checked, documents will be exported. If disabled, no documents will be exported at all.
•Export document histories - if checked, histories (previous versions) of all exported documents will be exported along with them.
•Export document relationships - if checked, relationships of all exported documents will be exported along with them.
•Export document-level permissions - if checked, document-level permissions (configured on the Properties -> Security tab in CMS Desk) will be exported along with the respective documents.
•Export blog comments - if checked, blog comments will be exported along with all exported blog posts.
•Export event attendees - if checked, event attendees will be exported along with all exported events.
Detailed information about the built-in export/import functionality in Kentico CMS can be found in Developer's Guide -> Managing sites -> Export and import.