- Source: .sch (file extension)
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)
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)