MIgrating data/company from Simply accounting 2010 to sage 50 cloud?

SUGGESTED

Is there a way to migrate all of my data (customers, vendors, invoices etc.) using a backup of my Simply accounting 2010 (.cab file)? 

(like doing a "restore from backup"?) Sage is prompting me to import a CSV file but i dont know how to extract this file from my old version of simply accounting. it would be much simpler to migrate over my entire company. how would i do this? thanks!!!