How to choose where Party HH are stored on computer?

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I have the Party/Empire HH to be stored on my computer and they are currently stored right in the main Party and Empire folders which is annoying when PT auto imports HH and always has the error message as it tries to import other text files in that folder.

How can I solve this problem (ie, how can I choose where specifically the HH are downloaded to?) I would like to make a Hand History folder inside the Party one and have the histories stored there but have no idea how. Thanks!