Glad to have you here in the Community, sam-card56.
I'd be happy to share with you the steps on how to import your bank transactions manually in QuickBooks Online.
You can manually bring the transaction into QuickBooks Online using a WebConnect file. You can download the last 90 days of transactions using this feature.
Download transactions from your bank's website:
Here's an article with detailed information about the WebConnect feature: Upload more than 90 days of bank transactions in QuickBooks Online.
Feel free to reach again if you have any other questions about importing transactions. I’d be more than willing to lend you a hand. Have a nice day.