Advanced Customization > Business Logic Customization > Data Exchange using Standards in Windchill > STEP Data Exchange using EXPRESS > STEP Foundation > Multiformat Properties
  
Multiformat Properties
The Import Export framework is a standard XML based Windchill specific import/export data representation can be represented in various other neutral standards (such as PLM, STEP and so forth). To perform these operations, you have to specify various details related to standard schema along with the mapping infrastructure
Various data formats as supported by Import Export framework can be found from the multiformat.xml file.
The multiformat.xml and stepformat.xml files contains all the mapping-specific entries. These files contains details about the application handlers, supported protocols, and protocol-specific mapping files used for import export operation. AP214 and and AP239 are contained in stepformat.xml.