The 123 file extension is related to the PCB123 circuit board design file format.

There is one other file type using
the 123 file extension!

123 file icon.123 - Lotus 1-2-3 spreadsheet

Detailed description

Software that works with 123 file extension

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123 file extension - PCB123 circuit board design file

What is 123 file? How to open 123 files?

File type specification:

3d graphics, CAD-CAM-CAE file type icon 3d graphics, CAD-CAM-CAE file type

The 123 file extension is associated with the PCB123 PCB a (printed circuit board) 3D designing tool for Microsoft Windows operating system developed by Sunstone Circuits.

The *.123 file stores circuit board design.

The default software associated to 123 file type:

PCB123 picture or screenshot

PCB123  Microsoft Windows software

Company or developer:
  Sunstone Circuits

PCB123 is free PCB software to create your designs and test your prototypes.

Help how to open 123 files:

Use PCB123 to open *.123 files.

How to convert file with extension 123:

Various 3D models or CAD files can be typically exported to some exchange format or converted between different formats. Once again, not all CAD/3D modeling programs may allow conversion of every format. But, there is always the option of using some of the dedicated 3D conversion utilities with a broad file format support.

For general information try to look at:
Basic info how to convert CAD and other 3D graphic files

List of software applications associated to the .123 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open 123 file, edit 123 file, convert 123 file, view 123 file, play 123 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the 123 files.

  • Open 123 file
  • Save 123 file
  • Edit 123 file
  • View 123 file
  • Create 123 file
  • Print 123 file

Software that open 123 file - PCB123 circuit board design file

Click on the link to get more information about PCB123 for open 123 file action.

Microsoft Windows:

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