RE: I am wanting EVERYTHING copied from one QB company file to another? Not just transactions but lists, assets, equity, chart of accounts, etc.?
Unfortunately that is not possible. QB has limits to what it will import. It will not, for example, import any payroll transactions like paycheck and tax payment checks.
You can export and import lists like customers and vendors and accounts using the built in IIF export / import feature. But that is only for lists.
You can use our app (BRC Transaction Copier ) to transfer most types of transactions.
But there will not be any app or process that will copy "EVERYTHING". It can't exist because QuickBooks won't import every kind of data.