Action Reply CDX without extension

[Negora]

·Hi Dreamers!:

·How are you? Recently, I've downloaded Action Replay CDX from the Console Gaming World. When I completed this, I tryed to open the file, but it hadn't any extension. And I would like to know if you have had a similar problem when you got it, or if you know any place where I can get Action Reply CDX for Dreamcast.

·Thank you very much for your kindness.
·See you .