You use the G/L Account Balance window to view a scrollable summary of the debit and credit balances for different time periods, for the account you select in the chart of accounts. You can view the window from the Chart of Accounts and G/L Account windows.
You can select different time intervals by clicking on the buttons in the lower left-hand corner of the window. You can set other filters in the fields on the Options tab at the top of the window.