Open 3D file

3D files: what are they and how do I open them?

Unknown file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.3d file type #1: CAD applications use this file for their 3D drawings or other files

Files with 3d extension are mostly related to the 3D drawing CAD format used by various CAD tools.

Further details:

File extension 3d is used by various CAD applications for their 3D drawings or other files. Probably some older format now replaced by individual formats of their respective programs or some universal interchange format.

A .3d file contains 3D drawing.

Open file with:


A CAD designing software

Cadwork 3D icon

Cadwork 3D

The leading 3D-CAD/CAM software for all fields of timber construction

ACDSee Photo Manager icon

ACDSee Photo Manager

Photo Manager is digital photo editor and manager for Windows

3D Object Converter

3D viewer and converter with huge file type support

XnView MP icon

XnView MP

A popular utility for viewing and converting graphic files

Actify DesignShare

Solution used to securely track, collaborate on, and manage CAD data


A product data visualisation software


A 3D graphics viewer


A converter for 3D formats

Online 3D Model Converter

A free online 3D model conversion service

.3d file type #2: Advent 3B2 document file

A 3d file extension is related to the 3B2 and used for its document files.

Further details:

The 3d file extension is associated with Advent 3B2 (also known as Arbortext Advanced Print Publisher) a tool for Microsoft Windows to publishing of complex documents.

The .3d file stores document created in Advent 3B2.

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A highly flexible and powerful publishing toolbox

.3d file type #3: Geocadabra data file

The 3D file extension is related to the Geocadabra software.

Further details:

The 3D file extension is associated with the Geocadabra a tool for Microsoft Windows operating system that allows users to create drawing in maths education. The *.3d file stores various data used by Geocadabra.

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A mathematics drawing software

.3d file type #4: File associated with Survex 3D cavern models

A 3d file extension is related to the Survex, a cave-surveying program. A 3d file stores model of cavern.

Further details:

The 3d file extension is associated with the Survex, a cave-surveying software package available for Microsoft Windows, macOS (OS X) and Linux systems.

The 3d file contains 3D model of cavern.

Open file with:


Cave-surveying software

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.3d" has the file extension "3d". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.