Having problems opening a CID file?

We have programs that can open or convert your CID files.

Opening CID files

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

What is a CID file?

The .cid file extension is used by a variety of software applications. It is most commonly associated with the Navigator astronomy software to store chart image descriptions. The .cid file extension is also used for AnalogX CallerID files and coDiagnostiX user defined implant files.

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.

About File Extension CID

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the CID file format or software that uses files with the CID suffix, please do get in touch - we would love hearing from you.