COB File Type

- The quick facts

What are COB files and how to open them

Are you having problems opening a COB 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 COB file?

A .COB file is a Caligari TrueSpace Object file. Through our analysis of COB files, we know that one use of the format is Caligari TrueSpace Object. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open COB files

Important: Different programs may use files with the COB file extension for different purposes, so unless you are sure which format your COB 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 COB openers which you will find listed below.

Last updated: December 27, 2019

Suggest another file format using extension COB

While we know of one file format using the .COB file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .COB file.

Various apps that use files with this extension

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

RM/COBOLRM/COBOLUser submitted
Caligari trueSpaceCaligari trueSpaceUser submitted
CoIDECoIDEUser submitted
Acucobol WorkbenchAcucobol WorkbenchUser submitted
OpenCobolIDEOpenCobolIDEUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
3D Photo Browser3D Photo BrowserUser submitted
3DBrowser3DBrowserUser submitted
ComposComposUser submitted
We have not verified any software that we know for certain will work with COB-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with COB-files. If you know one, please use the 'Suggest a program' link below and tell us about it!