Hi Sadie123,

Thank you for reaching out on this. 

Is it possible for you to access your online banking website and export your historical transactions in CSV file? Here is an article from our community on how to import:

Import Bank transactions via CSV [VIDEO]

- https://quickbooks.intuit.com/community/Banking/Import-Bank-transactions-via-CSV-VIDEO/m-p/263049

Please let us know if you any questions.