If you click Export to File in the view, all fields displayed in the view are automatically selected for export.

If you want to predefine fields to export to a file, create a view containing fields you want to export.
Select the created view in the view, and then export it to a file.

The following shows how to create a view containing fields that you want to export to a file.

1. On the "App Settings" screen, open the Views tab and click the Add new view icon (the plus sign-shaped icon at the right of the screen).

2. Enter a view name in "Name", and drag and drop the fields you want to export to a file to the right area.

3. Click Save on the upper left side of the screen.

4. Click Update App at the upper right of the screen.

5. On the confirmation dialog, click Update App.