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This is the data file that stores all the information you registered on this tool.

Could you please tell me if it is natural to your ear?
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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.
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Liveinjapan... you registered on this tool.
One of these might be better:
... you registered in this application / ... you registered in this system
CJ
Students: We have free audio pronunciation exercises.
Comments  
Thank you so much, Alphecca and CJ.
Understand.
Students: Are you brave enough to let our tutors analyse your pronunciation?