123 file extension

123 file could be opened by special software. There are 2 file's types and each of them could be opened by different software. Download recommended software to open desired file format.

How to open 123 file

123 Icon
File type:
PCB123 Circuit Board Design
Developer:
Sunstone Circuits
Category:
Computer-aided design (CAD) files

PCB123 (PCB design software) printed circuit board layout file with a circuit board design that may contain several components. It is compatible with 2, 4 and 6-layer circuit boards with solder mask and silkscreen options.

How to open file with 123 extension?

Sunstone Circuits PCB123
123 Icon
File type:
Lotus 1-2-3 Spreadsheet
Developer:
IBM
Category:
Spreadsheet files

Lotus 1-2-3 (included with IBM Lotus SmartSuite) spreadsheet file with information organized in rows and columns. Various functions may be applied to the information within cells that may automatically populate the information in other cells. Lotus Development Corporation originally developed this software.

Similar file formats and extensions.