How to open 123DX files
Did your computer fail to open a 123DX file? We explain what 123DX files are and recommend software that we know can open or convert your 123DX files.
What is a 123DX file?
The 123DX file extension indicates to your device which app can open the file. However, different programs may use the 123DX file type for different types of data.
While we do not yet describe the 123DX file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about 123DX files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
These apps are known to open certain types of 123DX files. Since many different programs may use 123DX files for different purposes, you may need to try a few of the apps to open your specific 123DX file.