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There is no document mentioned about whether you could transfer your application ownership to another account. But from this SO question: How to transfer ownership of apps on windows marketplace , it seems to be possible to do this. So now you will need to contact Store team to for further help about this. Please open a free support ticket here: Contact Us. Go to Contact us, find Non-Technical Support - Dashboard and choose SUBMIT AN INCIDENT. Then you could send email to the Store team about this.
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