File Extension Library


.123D File Extension

  • Developer by: Autodesk
  • Category: CAD Files
  • Format: Binary

What are .123D files and how to open them?

Can't open .123D file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .123D file.

What is a .123D file extension?

.123D file extension is created by Autodesk. .123D has been classified as CAD Files. The format of .123D file is Binary.

.123D is Autodesk 123D Drawing

CAD drawing created by 123D, a free 3D CAD design application provided by Autodesk; may contain multiple parts that together comprise the model; can be published to standard raster image formats or to Autodesk's .DWG format.

123D is often used for prototyping since it is not as robust as AutoCAD. Therefore, models are often used for showcasing ideas as mesh models, props, and scenery. Many free 123D models are provided at the 123D website for download.

NOTE: 123D was discontinued in March 2017.

How to fix problems with .123D files

  1. You need to update the application that you normally use to open .123D files. Only the latest version of the software supports the current .123D file format
  2. You need to check the .123D file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)