Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .123dx

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .123dx file?
  • Which program can create the .123dx file?
  • Where can you find a description of the .123dx format?
  • What can convert .123dx files to a different format?
  • Which MIME-type is associated with the .123dx extension?
Autodesk 123D Design Model .123dx file icon

Autodesk 123D Design Model

123DX file is an Autodesk 123D Design Model. Autodesk 123D Design is a free, simple 3D creation and editing tool which supports many new 3D printers.
Detailed description not available
Category: Document files
Application: 123D Design
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .123dx file extension. If you have helpful information about .123dx extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Autodesk 123D Drawing

The .123dx filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

123d (1)

Can't open a .123dx file?

If you want to open a .123dx file on your computer, you just need to have the appropriate program installed. If the .123dx association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.123dx

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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