3fx

.3fx3DEXPERIENCE Format

Dassault Systèmes · 2010

Developer
Dassault Systèmes
Category
3D & CAD
MIME Type
model/vnd.3ds
First Released
2010
Open Format
No
File Signature
Not publicly documented, specific to the 3DEXPERIENCE binary structure.
At a Glance
.3fx
3DEXPERIENCE Format

.3fx files are proprietary 3D model and assembly data files used within Dassault Systèmes' 3DEXPERIENCE platform for product design and lifecycle management.

Reviewed on May 11, 2026
Compression
Compressed
Transparency
N/A
Editability
High (within 3DEXPERIENCE)
Best for
3DEXPERIENCE native data

Key Features

  • Stores complex 3D models and assemblies.
  • Proprietary to the Dassault Systèmes 3DEXPERIENCE platform.
  • Supports rich metadata and potentially simulation/manufacturing data.
  • Optimized for performance and integration within the ecosystem.

Best For

  • Storing native 3D models for the 3DEXPERIENCE platform.
  • Maintaining design integrity within Dassault Systèmes software.
  • Facilitating collaborative engineering workflows.
  • Managing complex product data and versions.

Less Ideal For

  • General 3D model exchange with other software.
  • Web-based 3D content delivery.
  • Archiving 3D models for long-term, cross-platform compatibility.
  • Simple 3D model sharing without specialized software.

Common Use Cases

  • Collaborative product design and development.
  • Storing and managing large 3D engineering assemblies.
  • Sharing design data within the 3DEXPERIENCE environment.
  • Product lifecycle management (PLM) workflows.
  • Visualization and review of 3D product models.

How to Open It

  1. Open .3fx files directly within Dassault Systèmes 3DEXPERIENCE platform applications like CATIA or SOLIDWORKS.
  2. Ensure you have a licensed version of the 3DEXPERIENCE platform or compatible Dassault Systèmes software installed.
  3. Import or open the file through the software's 'File' > 'Open' or 'Import' menu.
  4. Check for specific import/export tools within the 3DEXPERIENCE environment for broader compatibility.

What is a .3fx file?

The .3fx file format is associated with Dassault Systèmes' 3DEXPERIENCE platform, a comprehensive software suite for product lifecycle management and 3D design. These files are used to store complex 3D models, assemblies, and related data generated within the platform's various applications. They are integral to collaborative design workflows, enabling users to share and manage intricate product designs efficiently. While specific details about the internal structure are proprietary, they are designed for high fidelity and performance in demanding engineering environments.

Programs That Open .3fx Files

PlatformProgram
Windows3DEXPERIENCE PlatformPaidOfficial
CATIAPaidOfficial
SOLIDWORKSPaidOfficial

How to Convert .3fx Files

FormatMethod
.3DXMLExport from 3DEXPERIENCE Platform
.STPExport from 3DEXPERIENCE Platform
.IGESExport from 3DEXPERIENCE Platform

Common Problems with .3fx Files

⚠️ Cannot open .3fx file without the correct software.
Ensure you have a licensed installation of the Dassault Systèmes 3DEXPERIENCE platform or compatible applications like CATIA or SOLIDWORKS.
⚠️ File is inaccessible or corrupted.
Try re-downloading the file or request a new copy from the source. If corruption occurred during saving, attempt to recover using version history if available within the 3DEXPERIENCE platform.

Frequently Asked Questions

Is .3fx an open standard format?

No, .3fx is a proprietary format developed and used by Dassault Systèmes for their 3DEXPERIENCE platform.

Can I open .3fx files on any computer?

You can only open .3fx files on systems equipped with licensed Dassault Systèmes software that supports the format, primarily within the 3DEXPERIENCE ecosystem.

What is the difference between .3fx and .3dxml?

.3fx is a native, potentially more complex data format used internally by 3DEXPERIENCE, while .3dxml is a more standardized XML-based format often used for data exchange and visualization.

Technical Details

The .3fx format is a binary file format designed to store rich 3D geometric data, metadata, and potentially simulation or manufacturing information. As a proprietary format, its exact internal structure and encoding are not publicly documented, but it is optimized for integration within the 3DEXPERIENCE ecosystem. It likely employs efficient data compression and data structures suitable for complex assemblies and large datasets.

Did You Know?

The .3fx format is deeply integrated into the cloud-based 3DEXPERIENCE platform, facilitating real-time collaboration.
It can store not only geometry but also crucial metadata for product lifecycle management, such as revision history and material properties.

Security Information

As a proprietary format associated with professional engineering software, .3fx files are generally considered safe. However, as with any file, exercise caution when downloading from untrusted sources. Ensure your 3DEXPERIENCE platform software is up-to-date to mitigate any potential security vulnerabilities.

Related Extensions