This VQMOD based extension will help opencart administrators to generate sales report for multiple order status. With this, you will be able to generate a sales report that includes any combination of order status that would help you to analyse your sales.
“Multiple select option for Order status in Sales Report” requires:
VQMod 2.2.0 or later (http://vqmod.com/)
OpenCart 1.5.x or later
1. Download the “Multiple select option for Order status in Sales report” extension and extract the files
2. Upload the “vqmod” folder to the root of your OpenCart install. No files will be overwritten.