Banking automatically downloads transactions that are not beyond 90 days, suriya-subramani.
The possible reason why the transactions on February 19 didn't automatically downloads in QuickBooks is that they are already beyond 90 days.
In this case, you'll need to manually import them in QuickBooks by using our WebConnect feature. I'll guide you through in importing these transactions.
To start, you'll have to log in to your bank and download the transactions within the affected date range with the file formats that QuickBooks Online supports.
You can use any of these file formats:
Then, proceed in uploading them in QuickBooks Online. Kindly refer to this article for the detailed steps: How to Upload More Than 90 Days of Bank Transactions.
Feel free to let me know if you have further questions with this. I'd be glad to help you further.