Convert PMG files into more common 3d file?

Haii. I am making a game and I got a set of models I was allowed to used, however it is in PMG and I cannot find anything that supports it. Is it possible I can convert it into something more commonly used?
Update: Well thats the friggen problem xD... I need a program that can Turn PMG into a more coviently 3D file so I can start using a game engine owo. JUST ANY file xD
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