There are 3 credit card records that didn't come through the linked online bank account. How can i add those transactions manually?
Let's enter the credit card transactions to your QuickBooks, lsaadatn.
By the way, when there are missing transactions on the Banking page, you can click the Update button to download them. If they're still not downloaded, that's the time to manually enter them in QuickBooks.
To do this, you can record them as expenses and choose your credit card account as the Payment account. Then, select the Credit Card payment method and enter the details of the transaction. That will do it.
After completing your credit card transactions, you can proceed to reconciliation.
If you need more help with those transactions, please let me know.