.sch file: how to open it on Windows

5 Windows apps register the .sch extension. Install one of them to open the file with a double-click.

KiCad
A Cross Platform and Open Source Electronics Design Automation Suite

Open source 10.0.6 126.7K ↓ ★ 3.1K
XMLBlueprint 22
A full-featured XML Editor (or XML IDE)

Proprietary 22.2026.08.17
Oxygen XML Developer
All the Tools You Need for Designing XML Schemas and Transformation Pipelines.

Proprietary 28.1
Oxygen XML Editor
The Premier All-In-One XML Editing Suite

Proprietary 28.1
KiCad Lite EDA
KiCad is a free software suite for electronic design automation. It facilitates the design of schematics for electronic circuits and their conversion to PCB designs.

Open source 5.1.9