COB File

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?

COB files have multiple uses, and Caligari TrueSpace Object is one of them. Read more about the others further down the page.

Caligari TrueSpace Object

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 COB files

We have identified one COB opener that is compatible with this specific type of COB file.

Programs that open Caligari TrueSpace Object files

Last updated: December 3, 2022

More file formats using the COB extension

Through our research of COB files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Maxon Cinema 4D COFFEE Binary

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
CoIDECoIDEUser submitted
Acucobol WorkbenchAcucobol WorkbenchUser submitted
OpenCobolIDEOpenCobolIDEUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
3D Photo Browser3D Photo BrowserUser submitted
3DBrowser3DBrowserUser submitted
ComposComposUser submitted
Misfit Model 3DMisfit Model 3DUser submitted

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