Welcome.
Without spending an age researching I would have to say I doubt it.
The structure of the Styles is very different between the models.
As it is there is a vast library of free official Korg Styles on their Bonusware website and there is Osimo available from Korg UK that will give you c150 customised Styles in a very handy Songbook.
I would suggest that you may well be better served looking at what is already available for your 700 and learning how to customise the Styles to your liking
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