A daily updated filename extension database!

3D file extension

The table below provides useful information about the .3d file extension. It answers questions such as:

  • What is the .3d file?
  • What program do I need to open a .3d file?
  • How can the .3d file be opened, edited or printed?
  • How can I convert .3d files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ CAD-3D Model

3D file is a CAD-3D Model. CAD-3D was a popular 3D rendering program for the Atari ST computer which was written by Tom Hudson.
3D format description not yet available
Category: Document files
Application: quick3D Viewer
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
3D aliases:
3D related links:
3D related extensions:
Lightwave 3D Object

Caligari TrueSpace Scene

Virtual Reality World

Autodesk 3D Studio Scene in ASCII

Autodesk 3D Studio Scene

Rhino 3D Model

ArchiCAD 3D Model

Gzip Compressed WRL File

O2C 3D Model

Autodesk Maya 3D Scene Data

✅ Cadwork 3D Drawing

3D file is a Cadwork 3D Drawing. Cadwork is a module-based 3D CAD/CAM system.
3D format description not yet available
Category: Document files
Application: Cadwork
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
3D aliases:
3D related links:
3D related extensions:
Cadwork 2D Drawing

Cadwork 2D Road Project

Cadwork Parametric Elements Data

Cadwork 2D Backup Data

Other types of files may also use the .3d file extension.

🚫 The .3d file extension is often given incorrectly!

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

3r, 3w, d3, ed, rd, wd

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

APP Raster Image
XYZware 3D Document
Disguise 3 Project
Reaction Data File
Reality Pump Game Package
Edmics MMR Fax

🔴 Can't open a .3d 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .3d file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .3d file extension, write to us!

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