I am developing an extension to add another export format option in order toolbar in export button dropdown.
What I found yet is that there are two options here (Sales Order Toolbar) right now:
a) CSV b) Excel XML
Here I want to add another option here called "MOM" which will create a new csv format of order.
I found that above two options comes from following path:
But I don't know how to override it in my module. I don't want to edit core files.