Email hello@acapellaextractor.com. For a failed separation, include the job ID if you have it, the approximate time, the input format, and the error shown on the page. Please do not attach the audio file unless we ask for it.
For a privacy question, read the privacy policy and include enough detail for us to locate the job you mean. For a copyright concern, the copyright reports page lists the information needed to identify the material. You can also use this address to report an accessibility problem or a factual error in a guide.
We cannot restore an audio file after temporary storage has removed it. Keep a copy of your original recording and download any result you need within one day.