.CIR File Extension

Circuit File

Details file's type, version, and metadata. Remainder contains circuit data. Open in Micro-Cap for Windows. Get Micro-Cap 12 free from Spectrum Software's website. Select File → Open.... A CIR file...

General Information

Title CIR File Extension
Extension .cir
Full Form Circuit File
File Type CAD File
Developer Various
MIME Type application/octet-stream

File Function

Primary Function Store circuit data
Additional Functions Simulation, Analysis
Features Text-based, Schematic representation

File Characteristics

Quality Depends on content
Supports Layers No
Supports Transparency No
Editable Yes

Use Cases

Educational Yes
Engineering Yes
Professional Design Yes

Security and Practices

Security Risks Low
Best Practices Version control, Backup

Historical/Version Information

Initial Release Varies
Latest Version Depends on software

Associated Types

Similar Extensions .brd, .sch, .pcb

Software Compatibility

Software Usage Policy OS Compatibility
LTspice Free Windows, Mac
OrCAD Paid Windows
Multisim Paid Windows