Hello there, FinanceYS. I'm here to lend a hand importing your journal entries in QuickBooks Online.
QBO has multiple ways of importing transactions. One of these is to import an Excel file, but for now, it is limited to Customers, Suppliers, Accounts, and Product and Services.
I'd suggest looking for a third-party app so you can import your journal entries to QuickBooks. You can check our Apps Center that can integrate with the program.
I've added an importing overview that contains answers to common questions about importing data into QBO.
I wish you and your business continued success. I'm here if you have any other additional questions related to importing data in QuickBooks.