Why are they even using zip compression. Is the file so large they can't get it onto a large flash drive and hand that over or mail it to you? 

P.S. Once the conversion is done - Review the reuturn and correct items, especially state - Once you have "fixed" the return, look at screen 3 (1040 other similar screens in other modules) and look for a check mark at the first of the sections for Converted Client (proforma only) and remove that check mark. This will give you a far more accurate proforma to next year.