I got the information you need for entering payroll data in QuickBooks Desktop.
When you enter payroll data from QuickBooks Online, you'll want to do it manually as there isn't a direct way to transfer them. I'd suggest entering your data by quarter, so you can easily track the taxes and payments. We have an article about it with detailed steps and a screenshot on every step. Please check this out: Enter historical payroll data.
If ever you have additional questions, please feel free to go back to this thread and we will be here to continue helping you.
Have a nice day ahead!
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