Merging data of two accounts

I recently changed computers and moved my Money data to Quicken I now have one checking account with a negative balance that has all of my data from Money with the historical entries as to check # amount and to whom,and the same account with current balance connected to bank but without the historic data. Short of manually inputting each check as to whom written to is there a way I can merge the daat of both of these accounts and then delete the old account from my list. I hope that is clear!