Hi there @alast,

Thank you for joining the thread, @alast.
 

Your recommendation is highly appreciated. Also, we can perform these troubleshooting steps to import your bank transaction in your QuickBooks Online account.
 

You can manually download your bank transaction in QuickBooks Online. Also, I've provided an article for your future help in case you'll need help importing a bank transaction: Fix bank upload errors in QuickBooks Online.

Whenever you need help reconciling your account, refer to this link: Reconcile an account in QuickBooks Online.
 

If you have other concerns, don't hesitate to leave a comment below. I'll be happier to help. Have a good one!