Yes, we provide backup for Portuguese voiceover. We at Vanan Voice in line with our philosophy of providing 100% satisfaction to our customers take all unforeseen events into considerations into account and keep a backup. We meticulously keep a backup at every stage of the voice over process so that we can track changes and also add any more changes if you so specify. This enables us to serve you again if you want the same job with minor modifications or may wish to have the same audio with a voice over in another language. Once you give us the opportunity to serve you, you can rest assured that we will take care of your precious project at every step.
More Details – http://vananvoice.com/Portuguese-Voice-Over.php