file is Assistant.voice
You said in your other thread that the file extension is .board. Why are you wasting people's time here?
file extension is .board
Most audio player (like VLC) doesn't check file type by extension, but by it's signature/magic bytes. Have you tried opening that file using audio player?
I asked him that in the other thread he created with his alt account. He never answered the question.
If it's an audio file, can't you run it in VLC media player, for example?