123DX File

What are 123DX files and how to open them

Are you having problems opening a 123DX 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 123DX file?

A .123DX file is an Autodesk 123D 3D Model Design file.

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 123DX files

Important: Different programs may use files with the 123DX file extension for different purposes, so unless you are sure which format your 123DX file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single 123DX opener which you will find listed below.

Last updated: December 28, 2019

Various apps that use files with this extension

These apps are known to open certain types of 123DX files. Remember, different programs may use 123DX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

123D Design123D DesignUser 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 123DX file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.