.123D File Extension

Autodesk 123D Drawing File Type

Extension .123d
Developer Autodesk
Popularity 5.0 (1 Votes)
Mime Type application/vnd.lotus-1-2-3
Default Program Microsoft Notepad
Category CAD Files
Format Binary
Updated 3/1/2021

What is a 123D File Extension?

123D file extension is created by Autodesk, also known as Autodesk 123D Drawing. 123D has been classified as CAD Files. This File type categories under Zip, Text, Binary and XML, however, the format of this file format has not been determined yet. You can open 123D files in Microsoft Notepad program.

It is often used for prototyping because it is not as robust as AutoCAD. Models are therefore often used to present ideas such as meshings, props and sets. Many free 123D models are available on the 123D website for download.

In March 2017, 123D was arrested.



Free 123D File Online Tools & Apps

We have also gathered the free online .123D (Autodesk 123D Drawing) file extension apps that can allow to view, edit, convert from to 123D, merge, split and compare the 123D files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.


123D Files Common Issues

There are few common issues with the Autodesk 123D Drawing .123D File Extensions while opening the .123D files on Windows and MacOs, we have solution to those issues such as:

Can't Open 123D Files?

  1. You must have supported software programs installed for Autodesk 123D Drawing on your system such as Microsoft Microsoft Notepad.
  2. Associate default Microsoft Microsoft Notepad program for *.123d (Autodesk 123D Drawing) files.

    Associate 123D Default Program on Windows
    1. Right-click a *.123D (e.g example.123d) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft Notepad program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .123d files.

    Associate 123D Default Program on MacOs
    1. Click *.123D (e.g example.123d) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft Notepad program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft Notepad extension. By clicking Continue you confirm your selection", click Contine to apply changes.

All Platform Software Programs for 123D File Extension

List of all softwares that can open the 123D files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open 123D File on Windows


Software License Developer
Autodesk 3ds Max image. Autodesk 3ds Max 2020 for Windows  Open autodesk website. Commercial Autodesk
Autodesk AutoCAD image. Autodesk AutoCAD 2020 for Windows  Open autodesk website. Commercial Autodesk
Autodesk EAGLE image. Autodesk EAGLE 9 for Windows  Open autodesk website. Commercial Autodesk
Autodesk Fusion 360 image. Autodesk Fusion 360 1 for Windows  Open autodesk website. Commercial Autodesk
Autodesk Inventor image. Autodesk Inventor 2020 for Windows  Open autodesk website. Commercial Autodesk
Autodesk Maya image. Autodesk Maya 2020 for Windows  Open autodesk website. Commercial Autodesk


MacOs logo image - FileProInfo.comOpen 123D File on Mac OS


Software License Developer
Autodesk 3ds Max image. Autodesk 3ds Max 2020 for MacOs  Open autodesk website. Commercial Autodesk
Autodesk AutoCAD image. Autodesk AutoCAD 2020 for MacOs  Open autodesk website. Commercial Autodesk
Autodesk EAGLE image. Autodesk EAGLE 9 for MacOs  Open autodesk website. Commercial Autodesk
Autodesk Fusion 360 image. Autodesk Fusion 360 1 for MacOs  Open autodesk website. Commercial Autodesk
Autodesk Maya image. Autodesk Maya 2020 for MacOs  Open autodesk website. Commercial Autodesk

Linux logo image - FileProInfo.comOpen 123D file on Linux


Software License Developer
Autodesk EAGLE image. Autodesk EAGLE 9 for Linux  Open autodesk website. Commercial Autodesk
Autodesk Maya image. Autodesk Maya 2020 for Linux  Open autodesk website. Commercial Autodesk

Website logo image - FileProInfo.comOpen 123D file on Web


Software License Developer

iOS logo image - FileProInfo.comOpen 123D file on iOS


Software License Developer

Android logo image - FileProInfo.comOpen 123D file on Android


Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

123D file extension icon image.About 123D - Autodesk 123D Drawing

FileProInfo is to help you understand about the Autodesk 123D Drawing with *.123D suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for 123D. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for 123D, please let us know.

Updated 3/1/2021




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