Prepare the Checks data with the following template
| RefNumber | BankAccount | Vendor | PrintOnCheckName | TxnDate | Location | AddressLine1 | AddressLine2 | AddressLine3 | AddressLine4 | AddressCity | AddressState | AddressPostalCode | AddressCountry | PrivateNote | ToBePrinted | Currency | ExchangeRate | ExpenseAccount | ExpenseDesc | ExpenseAmount | ExpenseBillableStatus | ExpenseBillableEntity | ExpenseClass | LineItem | LineDesc | LineQty | LineUnitPrice | LineAmount | LineBillableStatus | LineBillableEntity | LineClass |
| 101 | Checking | Joe's Coffee | | 01/10/2020 | | 12 Main Street | Suite 102 | | | Albany | NY | 12345 | | | N | | | General Supplies | General Supplies | 85.21 | | | | | | | | | | | |
| 102 | Checking | Costco | | 01/10/2020 | | PO Box 1000 | | | | Dallas | TX | 28456 | | | N | | | General Supplies | General Supplies | 125 | | | | | | | | | | | |
| 103 | Checking | Property Mgmt Assoc | | 01/10/2020 | | PO Box 1800 | | | | Albany | NY | 12345 | | Mar 2011 Rent | N | | | Rent | Rent | 1000 | | | | | | | | | | | |
then utilize the trial period of an importer tool
https://transactionpro.grsm.io/qbo
Otherwise explore this converter app
https://www.moneythumb.com/?ref=110