You've decided to move from QuickBooks Desktop to QuickBooks Online. You open the built-in QuickBooks Migration Tool, follow the prompts, and wait. Then it fails—or it "succeeds," but your Balance Sheet doesn't match and payroll data is missing. The QuickBooks Migration Tool is Intuit's built-in utility for converting Desktop company files to QuickBooks Online, accessed via Company > Export Company File to QuickBooks Online . It moves core dat...