Convert Solidworks 2007 to Solidworks 2006

Hi,

Hope someone  can help me.  I have a customer thatwantssome of my designs.  He is using Solidworks 2006 andthedesigns are in 2007.  Is there any hope for meconvertingthese so that all the features and links etc are kept intact?

Thanks,

MartySolidworksGeneral