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Having problems opening a CIR file?

Learn about files with extension CIR

CIR File Type

- The quick facts

What are CIR files and how to open them

Are you having problems opening a CIR file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CIR file?

A .CIR file is a Micro-Cap 5 Circuit file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open CIR files

Important: Different programs may use files with the CIR file extension for different purposes, so unless you are sure which format your CIR file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different CIR openers which you will find listed below.

Last updated: March 14, 2022

Various apps that use files with this extension

These apps are known to open certain types of CIR files. Remember, different programs may use CIR files for different purposes, so you may need to try out a few of them to be able to open your specific file.

OrCAD PSpiceOrCAD PSpiceUser submitted
LTspice IVLTspice IVUser submitted
real PCBreal PCBUser submitted
PSpice A_DPSpice A_DUser submitted
T-Spice ProT-Spice ProUser submitted
ISED5 ApplicationISED5 ApplicationUser submitted
Micro-CapMicro-CapUser submitted
LTspice XVIILTspice XVIIUser submitted
AIM-SpiceAIM-SpiceUser submitted
WinSpiceWinSpiceUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about CIR file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.