123DX File Extension

Have a problem opening a .123DX file? We collect information about file formats and can explain what 123DX files are. Additionally we recommend software suitable for opening or converting such files.

What is the .123DX file type?

123dx — Autodesk 123D Design File.

Software to open or convert 123DX files

You can open 123DX files with the following programs: 

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