This extension enhances the sale report in the administration
Features :
- Filterable : You can fiter by Purchased date (with Date Picker), Invoice Date (with Date Picker), Order Status, Store.
- Sortable : You can sort(ascending/descending) all column.
- Exportable : You can export data to excel file (Example in Downloads Tab)
Moreover, You will get 2 option for export function
1. Export All -> This option will export all data of your order.
2. Export -> This option will export data with some criteria(same as filter)
- Support Multi Store.
- Support Multi Language in Excel file (Currencies Format, Status Text).
- Excel File export with utf-8 enconding. its should work on all language (Tested by Opencart 1.5.1.1).

Image : http://dl.dropbox.com/u/9884096/opencart/module/sale_report_improved/sale_report.jpg

for opencart 1.4.x and 1.3.x, please go to -> http://www.opencart.com/index.php?route=extension/extension/info&extension_id=2066