1- After DIET LOG in -Click on Market-Bulk Order-Bulk Single Leg order Entry
2- Fill for  order as per your requirement.
3- Click on add after your filling of order.
4- Then click submit all if multiple orders are on bulk order windows 
5- For submiting single order, please slect specific order.
6- You can export that file by right click on windows - then save thie file.
7- If you have created file and stored in your drive.Right click on windows -then load it.
8- Dont click on other setting.ensure that you have given proper data as your requiremnet for order.
9-First test with single order then creat ebulk file for multiple orders.