When the New
File ... option from the File Menu or the button on the Toolbar is selected:
This dialog allows you to select what banks are created in the file from the following:
The initial values for these settings are setup in the New File Default Preferences Tab in the Preferences Dialog.
The new data file is given a name in the form of "dxfactory_n", where n is a number that increments every time a file is created.
Note, this is different from initialising data in a file, as a totally new file is created.