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Paychex Payroll to QuickBooks Online: Automated Journal Entry Guide

Paychex Flex offers a QuickBooks Online integration, but like most payroll integrations, it syncs payroll as categorized transactions rather than a single balanced journal entry. Firms that need a proper journal entry for clean month-end close still have to enter it manually.

How PostBooks connects Paychex to QuickBooks Online

  1. Download the Paychex Payroll Summary or GL report. Available in Paychex Flex under Reports > Payroll > Payroll Summary.
  2. Upload to PostBooks. PostBooks maps Paychex line items (gross wages, employee deductions, employer taxes) to your QBO chart of accounts.
  3. Export or sync to QuickBooks Online. PostBooks generates a balanced journal entry ready for QBO import or direct API sync.

Frequently Asked Questions

Paychex Flex has a QBO integration but syncs individual payroll transactions rather than a single journal entry. PostBooks generates the proper journal entry from your Paychex payroll summary report.
Use the Paychex Payroll Summary report from Paychex Flex > Reports > Payroll > Payroll Summary. Download as CSV. PostBooks parses this format automatically.

Stop entering Paychex payroll manually

PostBooks converts your Paychex reports into balanced journal entries ready to import into QuickBooks Online — in under 60 seconds.

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