File Extension 123

Find out what programs can help open, view, play or convert your 123 files.

Opening 123 files
PCB123 Circuit Board Design

Did your computer fail to open a 123 file? We explain what 123 files are and recommend software that we know can open or convert your 123 files.

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What is 123 file?

Printed circuit board (PCB) layout created with PCB123, a PCB design program

Software that will open, convert or fix 123 files

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