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Navigation: Home > 123DX file

Informations about the 123DX filename extension and the file formats associated with it

We collected the information you should know about the .123dx filename on this page. If you were sent a(n) .123dx file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.123dx - Autodesk 123D Design Model

The 123DX file is a Document file, which is connected to the Autodesk 123D Design Model according to our registry. With the adequate settings, the Autodesk 123D Design Model (.123dx) files can be opened or converted with the help of 123D Design.

Format description:
123DX format description not yet available
123D Design
Magic string:
- / -
Related links:
Related extensions:
Mellel Word Processor Document
InkWriter/Note Taker Template
MindGenius Map
Microsoft Access Add-in
Kamban Word Processor Document
Wingz Spreadsheet

Important! Programs other than the ones listed above may also use the .123dx file extension. Even harmful programs can create files with the .123dx extension to store data in them. Always be careful with .123dx files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .123dx file can’t be opened on your computer?

If the program necessary for opening the .123dx file is installed properly on your computer, then the quickest and simplest way to open the .123dx file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .123dx file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .123dx extension

The .123dx filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .123dx files.


Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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