Reconciliation is the process by which the credit card transactions recorded in the banking system and the QuickBooks accounting system are matched. It is always recommended that you cross verify transactions in QuickBooks and the banking system in definite intervals of time so that both of them are matching. It ensures that all bank related information are entered in the system correctly. QuickBooks online help is the first place to call in case of issues. They are available at +1-877-249-9444 the toll free number to resolve any of the problems that you may have with the usage of quickbooks accounting software.