We can help with the data migration from Sage Quantum 2015 to Pro/Premium with no data loss and the conversion of all lists and historical transactions. The converted file is guaranteed to work in the new version of the software. We offer a money-back guarantee for Sage Quantum 2015 to Pro/Premium version downgrades. You have nothing to risk. Contact Us by filling the form at the bottom of this page to convert your Sage Quantum 2015 to Pro/Premium format.