Extended Module is for extending the grid. Admin Can configure and select the columns which admin want to list with the corresponding listing entity. Module is fully controlled by admin and does not modify any core files.
Admin can configure for the following listing.
* Admin can select column for product listing
* Admin can select column for order listing
* Admin can select column for option listing
* Admin can select column for manufacturer
* Admin can select column for category listing
* Admin can view Order Products, Shipping Address, Payment address at the order listing

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