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You'll want to add the historical payroll information to QuickBooks so it will be all in one place.
Here's an article for the complete details: Add Historical Payroll Information to Your QuickBooks Desktop Payroll.
For future reference, please check this article on how you can set up payroll in QuickBooks: Get Started with Payroll.
If you need additional assistance with payroll, please let me know so that I can help.