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I'd be glad to link Chase account into QuickBooks Online, @info1368.
Now that your accounts are connected, QuickBooks Online will automatically download transactions, so you don't have to enter them manually. Then, you can start reviewing and categorizing the transactions.
You'll also want to link your Merchant Service to QuickBooks Online, I'll show you how:
For future reference, feel free to check this article: Reconcile an account in QuickBooks Online. This can help ensure that your accounts match your real-life bank and credit card statements.
Find your way back here if there's anything else you'd like to ask in connecting bank accounts in QuickBooks. I'm more than happy to help you.