.FBX

.FBX File Extension

Learn what a .fbx file is, what it is used for, which programs can open it, and how to convert or troubleshoot this file format.

Data File Extension Guide 623 Searches
.FBX
Filmbox

Quick Facts

Basic information about this file format

Extension
.FBX
File Type
Filmbox
Category
Data
Best first step
Use compatible software

Quick Summary

A practical overview of the .fbx file format

The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data between different 3D applications. This includes models, animations, skeletons, scenes, and other related data. FBX is designed to be interoperable, allowing artist…

File extension .FBX
File type Filmbox
Category Data
Recommended action Open with a trusted compatible app

How to open a .fbx file

Start with a trusted app that supports this format

  • Check the file extension carefully and confirm that the file name really ends with .fbx.
  • Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
  • Update the application if the file was created by a newer version of the software.
  • Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.

What is a .fbx file?

File extension details and usage information

The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data between different 3D applications. This includes models, animations, skeletons, scenes, and other related data. FBX is designed to be interoperable, allowing artists and developers to move assets seamlessly between software packages like Maya, 3ds Max, MotionBuilder, Unity, and Unreal Engine. It supports a wide range of features, including geometry, textures, materials, lights, cameras, and animation rigs. The format handles both static and dynamic data, making it suitable for game development, film production, architectural visualization, and other 3D-related fields. FBX files can store data in either binary or ASCII format, with binary being more compact and ASCII being more human-readable (though larger in size). The format also supports embedded media, meaning textures and other external files can be included within the FBX file itself, simplifying asset management. FBX has become a widely adopted standard for 3D data exchange due to its comprehensive feature set and broad software support.

Software Compatibility

Programs that may open or work with .fbx files

Windows

Compatible applications

Autodesk Maya Compatible
Autodesk 3ds Max Compatible
Autodesk MotionBuilder Compatible
Unity Compatible
Unreal Engine Compatible
Blender Compatible
FBX Review Compatible
Cinema 4D Compatible

macOS

Compatible applications

Autodesk Maya Compatible
Autodesk 3ds Max (via Boot Camp/Parallels) Compatible
Autodesk MotionBuilder (via Boot Camp/Parallels) Compatible
Unity Compatible
Unreal Engine Compatible
Blender Compatible
FBX Review Compatible
Cinema 4D Compatible

Linux

Compatible applications

Autodesk Maya Compatible
Autodesk 3ds Max (via Wine) Compatible
Autodesk MotionBuilder (via Wine) Compatible
Unity Compatible
Unreal Engine Compatible
Blender Compatible

Mobile

Mobile applications

Autodesk FBX Review (Android/iOS) Compatible
Various 3D model viewers (Android/iOS) - compatibility varies Compatible

Can .fbx files be converted?

Options for saving or exporting this file to another format

In many cases, a .fbx file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.

  • Use the original software that created the file when possible.
  • Check whether the application supports exporting to common formats.
  • Be careful with online converters when working with private, business, or sensitive files.
  • If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .fbx file.

Why can't I open a .fbx file?

Common reasons this file type may not open correctly

Wrong software

The file may require a specific program that supports the .fbx format.

Incorrect extension

The file extension may have been renamed manually, even though the actual file format is different.

Corrupted file

The file may be incomplete, damaged during download, or transferred incorrectly.

Outdated app

Your software may need to be updated before it can open newer versions of this file format.

Frequently Asked Questions

Common questions about .fbx files

To open a .fbx file, use software that supports this file format.

  • Autodesk Maya
  • Autodesk 3ds Max
  • Autodesk MotionBuilder
  • Unity
  • Unreal Engine

Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.

  1. Verify that the file extension is correct.
  2. Install or update compatible software.
  3. Try another application that supports this format.
  4. Check whether the file is corrupted, incomplete, or encrypted.

A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.

File safety tips

Use caution with unknown files

Only open files from trusted sources. Before opening a .fbx file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.