Hi again!
Thank you for your help last time.
I could manage to export the docx finally. I opened it from ms word 2013 ,and the formation was perfect! :D
However, when I tried to convert to pdf with FO. (from this example https://github.com/plutext/docx4j/blob/ ... utPDF.java)
There was a problem with null pointer exception.
I tried some more things but ...