Here is how to reconcile in QuickBooks online:
First, you need the details of your opening balance.
Launch QuickBooks online, select Settings >> Reconcile.
Go to the Account dropdown, select an account to reconcile.
Review the beginning balance and ensure it matches your statement.
Then, enter the ending balance and date on your statement, called ‘new balance’.
Now, select Start Reconciling.
If they match, check to mark the amount showing that transactions are reconciled.
