.sch (file extension) explained

The .sch file extension is used to indicate a circuit schematic file by various electronic design automation programs, all using different file formats. These types of files are used by:

• OrCAD (old versions)
• EAGLE (all versions)^[1]
• Protel (old versions)
• Altium (some versions)
• KiCad (old versions)
• PADS (all versions)
• gschem of gEDA suite

See also

• Microsoft Schedule (also using this file extension)

Notes and References

1. Web site: Sch File Extension - What is it? How to open an Sch file?.