In the editor under the preset you want to edit is the "Loop Order" and a ">" beside the 1 2 3 4 5 6 loops.
You should just be able to activate the override (clicking on the ">") which will light up the numbers, then just drag the numbers to the order you want. You can also do this in the Global Defaults and set an overall loop order that every preset gets by default unless it is overridden in the preset. Is that what you were meaning?
Will (also from Aus

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No, it's not this, but thanks for the reply.
I'm talking about left pane presets (where you can "name" the program change slots) i.e. PC 0 is named "Template", PC 1 is "Song 1", PC 2 is "Song 2", PC 3 "Song 2 (Shift)". I use an MC8 and my banks each load a specific PC on the MEGX to set the "default state" of all the loops and footswitches for that song.
What I want to know is if there's a way I can move "Song 1" from PC 1 to PC 5, either with cut/copy/paste or a move/swap. Otherwise to do this I've got to manually recreate the settings piece by piece, which can be annoying if there's several overrides. I've tried every keyboard and mouse modifier I could think of, every hold and drag gesture, looked in the FAQs and Manual, even watched all the videos in case an undocumented feature was mentioned (there's one where if you hold shift and click a global override it will prompt to clear all overrides on a parameter, which is useful, but doesn't fix this particular problem

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Hope there is one!