File.org logo

Having problems opening a C3D file?

Learn about files with extension C3D

Drop your file to analyze it

C3D File

What are C3D files and how to open them

Are you having problems opening a C3D 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 C3D file?

C3D files have multiple uses, and Chem3D Format is one of them. Read more about the other uses further down the page.

Chem3D Format

These C3D files contain molecular visualizations created in Chem3D, a software created for chemists. This software is divided into three sections. These sections are two-dimensional chemical drawings, three-dimensional molecular modeling, and chemical information management. You have access to pre-generated molecular structures that can be found in the comprehensive internal sub-structure library.

How to open C3D files

Important: Different programs may use files with the C3D file extension for different purposes, so unless you are sure which format your C3D file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different C3D openers which you will find listed below.

Last updated: March 1, 2021

All known file formats using extension .C3D

While Chem3D Format is a popular type of C3D-file, we know of 2 different uses of the .C3D file extension. Different software may use files with the same extension for different types of data.

Coordinate 3D File

We know that one C3D format is Coordinate 3D File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of C3D files. Remember, different programs may use C3D files for different purposes, so you may need to try out a few of them to be able to open your specific file.

ChemBio3DChemBio3DUser submitted
Chem3DChem3DUser submitted
Ulead COOL 3DUlead COOL 3DUser submitted
Chem3D UltraChem3D UltraUser submitted
Corel MotionStudio 3DCorel MotionStudio 3DUser submitted
Ulead COOL 3D StudioUlead COOL 3D StudioUser submitted
Chem3D ProChem3D ProUser submitted
Ulead COOL 3D Production StudioUlead COOL 3D Production StudioUser submitted
Autodesk FBX ReviewAutodesk FBX ReviewUser submitted
CS Chem3D ProCS Chem3D ProUser 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 C3D file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.