How to open CIR files

Did your computer fail to open a CIR file? We explain what CIR files are and recommend software that we know can open or convert your CIR files.

What is a CIR file?

The CIR file extension indicates to your device which app can open the file. However, different programs may use the CIR file type for different types of data.

While we do not yet describe the CIR file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about CIR files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic CIR

These apps are known to open certain types of CIR files. Since many different programs may use CIR files for different purposes, you may need to try a few of the apps to open your specific CIR file.

PSpicePSpiceUser submitted
Micro-CapMicro-CapUser submitted
LTspice IVLTspice IVUser submitted
real PCBreal PCBUser submitted
Micro-Cap Evaluation dllMicro-Cap Evaluation dllUser submitted
PSpice A_DPSpice A_DUser submitted
T-Spice ProT-Spice ProUser submitted
ISED5 ApplicationISED5 ApplicationUser submitted
OrCAD PSpiceOrCAD PSpiceUser submitted
LTspice XVIILTspice XVIIUser submitted
AIM-SpiceAIM-SpiceUser submitted
TopSpice DemoTopSpice DemoUser submitted
Micro-Cap CQMicro-Cap CQUser submitted
WinSpiceWinSpiceUser submitted
TopSPICE/Win32 DemoTopSPICE/Win32 DemoUser submitted
SmashSmashUser submitted
Evrsoft First PageEvrsoft First PageUser submitted
WinASPECT PLUSWinASPECT PLUSUser submitted
T-SpiceT-SpiceUser submitted
PowerNetPowerNetUser submitted
NincoTrackMapNincoTrackMapUser submitted
Micro-Cap Working DemoMicro-Cap Working DemoUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with CIR-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with CIR-files. If you know one, please use the Suggest link below and tell us about it!