Unlike WhatsApp or Telegram, Viber does not offer a simple "Save Audio" button. The app treats voice messages as ephemeral, temporary files. But "ephemeral" doesn’t mean "unavailable."
adb backup -f viber_backup.ab -noapk com.viber.voip Once you have the .ab file, use a tool like Android Backup Extractor to convert it to a .tar file. Inside, navigate to: /apps/com.viber.voip/ef/ download viber voice message
Use Viber Desktop. Rename the .data files. No coding, no root, no quality loss. Have a different experience? Did Viber update their encryption in 2026? Let me know in the comments below. Inside, navigate to: /apps/com
# AAC header pattern check if data[0:3] != b'\x00\x00\x01': print("Warning: Not a valid AAC file. Decryption may have failed.")