I can see this hasn’t been easy for you, @ssoriano.
I, myself would feel the same if something doesn’t go as It should. Rest assured I’m here to help you export your Payroll data to your client's QuickBooks Online (QBO) account.
To ensure a smooth process, you’ll want to ensure you’re using a supported and up-to-date browser. Then, set up your client's QBO account for payroll data. To be guided through the process, you can utilize these articles for reference:
Let me also add this resource that you can share with your client. This can guide them in running their payroll confidently in the future: Process or run payroll.
If you have any other concerns or questions about exporting your payroll data or with QBO, you can always tag me in your reply. I’ll be around ready to back you. Keep safe.