What is a .123 File And How To Open It – Sunstone Circuits

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Have you came across a file with the .123 extension, but it is a file you have never seen before? It is possible that you know what the file does, but you are unsure on how to open it. In this article we will explain what .123 file extension is, how to open it and how to work with it.

What is a .123 file?

The .123 file extension is PCB123 Circuit Board Design. The development of this file was done by Sunstone Circuits. The file is a CAD software file.

What to know

There is currently 0 software that can open the .123 file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.