The background: I have an .mxd that I intend to roll out across the company as our default template for all future maps/figure production. This .mxd contains two Data Frames; the first ("Main") is larger (occupying almost the entire page) and is designed to be used to hold the majority of mapped data whilst the second ("Inset") is much smaller and is to be used as an overview map.
The problem: When choosing to import this new .mxd to an existing .mxd (using the Change Layout button on the Layout toolbar) the wizard automatically selects the smaller ("Inset") Data Frame to occupy the larger part of the page. The screenshot below shows this interface with a red box indicating the two possible locations of each Data Frame:
The question: Whilst it is possible to manually alter the order of the Data Frames using the Move Up or Move Down buttons I would like to know how to change the default option for this setting (i.e. so that the "Main" Data Frame always appears in the larger space - "2"). The reasoning is that I would like the process of using this new .mxd template to be as simple as possible, this is especially important as we have a wide range of users with varying abilities.
Does anyone know how to choose/change this default setting? It does not appear to be in the Data Frame Properties > Data Frame menu where I would expect it to be.