QB Issue Resolution:
You cannot merge two QB files. I would check out the Data Transfer Utility below. I’m not positive that it allows for merging files with payroll, but you could ask.
Resolution for Issue 'I have QB general ledger on one computer and QB payroll on a different computer. Can I combine the two onto one new computer.' available: Yes (Solved).
Source: Intuit Community forum.
I have QB general ledger on one computer and QB payroll on a different computer. Can I combine the two onto one new computer.: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for computer
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