123DX file format description
Many people share .123dx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .123dx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .123dx files.
1 filename extension(s) found in our database.
.123dx - Autodesk 123D Design Model
The 123DX document files are related to 123D Design. 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. The 123D Design seems to be no longer supported.
- 123D Design
- Document files
- - / -
- Autodesk 123D Design Model related extensions:
Naturally, other applications may also use the .123dx file extension. Even harmful programs can create .123dx files. Be especially cautious with .123dx files coming from an unknown source!
Can't open a .123dx file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
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 one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
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