.123 File Extension
- Developer by: IBM
- Category: Spreadsheet Files
- Format: Binary
What is an .123 file?
.123 is Lotus 1-2-3 Spreadsheet
Spreadsheet created by Lotus 1-2-3, part of IBM Lotus SmartSuite; organizes data in rows and columns; functions can be applied to the data in various cells, which can automatically populate the data in other cells.
Lotus 1-2-3 was first developed by Lotus Development Corporation, which was bought by IBM in 1995. The "1-2-3" refers to the program's three main capabilities: 1) spreadsheet functions, 2) creating charts and graphs, and 3) basic database operations.
Programs that open Lotus 1-2-3 Spreadsheet
|IBM Collaboration Solutions|
|Corel Quattro Pro X9|
File Type 2 PCB123 Circuit Board Design
Developer by: Sunstone Circuits Category: CAD Files
Printed circuit board (PCB) layout created with PCB123, a PCB design program; contains a circuit board design, which can include multiple components; supports 2, 4, and 6-layer circuit boards with soldermask and silkscreen options.
Completed PCB123 designs can be sent to Sunstone Circuits for manufacturing. Assembly quotes are provided within the program.
Programs that open PCB123 Circuit Board Design