According to the QuickBooks support site:
QuickBooks Online data must first be exported to QuickBooks Desktop
before it can be imported into Turbo Tax. You can go through this
article for the steps: Export
data file from QuickBooks Online to Desktop"
Once done,
you can import your data from QuickBooks Desktop into Turbo Tax. See the following FAQ on how to import from QuickBooks Desktop to TurboTax.
https://ttlc.intuit.com/replies/3301888
