• CONTENTS (folder):  Contains all the content files. These are not required because sometimes content is not provided.

• manifest : This file contains the properties used during export, including Windchill version and format. These are not required and you can set the format type during call import function. However, if you want to import the jar through the import/export manager UI, this is required.

• plm.xml : Contains all the business object information by PLM format, which is required.

• importList.txt: Contains the exported object id, which is not required. You can import without this file.