Once you have installed Exportible, you will see a welcome message.
Click on + Create New Order Export to create a data file.
The data file created will have some basic fields pre-filled for you.
Click on Add Field to add more fields to the data file. You can add multiple fields at once or one by one. You can also add static fields.
You can rename the fields by clicking on their names, or you can drag and drop them to rearrange them as needed.
You also have the option to not display the field name when exporting the data file. To delete fields, simply click on the 'Delete Field(s)' option on the right.
For more customized and additional settings for the report, click on Filters/Source Settings.