QuickBooks Online follows the date on the file that you're importing, as long as it's an acceptable format, Priya.
You can review the file you downloaded from your bank and make sure it's in the correct format. We recommend using the dd/mm/yyyy format for best results.
You can read more details about this in these articles to make sure the import process is successful:
After that, reupload the file and check if the date format is now correct.
If the new upload looks correct, you can exclude the transactions from the first upload. Let me share this article as a guide: Exclude a bank transaction you downloaded into QuickBooks Online.
You may also want to check out this article in case you need to set up some rules to speed up the process of adding categories: Set up bank rules to categorise online banking transactions in QuickBooks Online.
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