To connect directly to a specialist, you can contact the QuickBooks Desktop support number at 877-898-0542. You will reach a friendly QuickBooks customer service agent at that number. From there, you could discuss your problem or concerns with a specialist on the other end of the phone. He can answer all the questions that may come to your mind regarding payroll setup, software faults, and installation, among others, or even help you sort out any issues you are now facing.