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Could you please tell me if it is natural to your ear?
No. not natural. I am not sure what you are trying to say. Maybe this?

This file stores all the information that you provided when you registered the application.
Liveinjapan... you registered on this tool.
One of these might be better:
... you registered in this application / ... you registered in this system
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Thank you so much, Alphecca and CJ.
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