Hey there. Have you searched on CodeCanyon for CSV. There seem to be quite a few plugins regarding this and there might be one among them that suits your exact needs. Click the link, I already added the search parameters. Cheers! 
Hey there. Have you searched on CodeCanyon for CSV. There seem to be quite a few plugins regarding this and there might be one among them that suits your exact needs. Click the link, I already added the search parameters. Cheers! 