Opening an FXO File

The FXO file type is primarily associated with FX Composer.

FXO	File extension: FXO
	File type:	binary file

What is an FXO file

FXO files mostly belong to FX Composer. FXO files are compiled shader effect files that are mostly used in game engines and graphics applications.
These files are created when high-level shader code, such as HLSL, is compiled into a binary format optimized for DirectX and other graphics APIs. This compiled code helps the game engine load and run shader effects efficiently at runtime.
Purpose and Functionality:
-

Compiled Shader: FXO files hold pre-compiled code that powers visual effects like lighting, textures, and color blends. This process reduces the load at runtime since the heavy lifting is done upfront.

Engine Specifics: They are used by tools like FX Composer, CryENGINE Sandbox Editor, and Gamebryo Engine. Some FXO files are created using the DirectX Shader Compiler as seen on resources like the DirectX Shader Compiler project.

Alternative Use Cases: A small number of FXO files function as fax documents (by Symantec WinFax UniDriver), though this is rare compared to their role in game effects.

FXO files are binary and not meant for manual editing. To inspect, open, or debug these files, you need specialized shader development tools that can interpret the compiled code.
Using such tools, developers can adjust shader parameters, test performance, and ensure compatibility with specific hardware.
FilExt.com tip: If you need to work with an FXO file, remember that the file is tailored for its target engine and may behave differently across graphic systems.

How can I open an FXO file?

You need a suitable software like FX Composer to open an FXO file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FXO file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FXO file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FXO File Viewer

Choose your .fxo file to view this image

or drag and drop it here

Online File Viewer

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How do you convert FXO files to JPG, PDF, HTML, DOC, ...

You can convert FXO files using our online FXO file viewer (powered by Convert.Guru):

Just click the "Choose your .fxo file to view this image" button on this page.
Your FXO file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert FXO files:

FX Composer
See the previous paragraphs to learn more about the main application. FXO files are often referred to as FX Composer games because this type of file is primarily created or used by this software.
DirectX (Pre-Compiled Pixel/Vertix Shader) by Microsoft Corporation
The identifying characters used for this association are - Hex: 01 09 FF FE.
Fax Image Document
Related links: Open with Quick View Plus

FXO file format:

To find out what program is needed to open FXO files, you need to determine the file format. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the FXO files is as follows:

You will often come across the FXO file type. This includes different formats for different programs. The two most popular formats are as follows:

50% of all FXO files are DirectX pre-compiled pixel/vertex shader files. They consist of unreadable binary data. The files are on average 10 KB in size and range from 2 KB to 60 KB. The file type was developed 10 years ago and is still in use today. Such FXO files store data about water, terrain, bloom, legacyshader, diffuse, normal, bump, ocean and skin.
10% of all FXO files start with the bytes DXBC, which are crucial for this file format. They consist of illegible, cryptic characters. The files are on average 3 KB in size and range from 610 bytes to 10 KB. The keywords DXBC and RDEF are typical for these files. These files are often associated with pixel, measurement and multi.

All other FXO files (40%) have no consistent format, frequently e.g. ARIEWIN and GSFX. These files are often connected to shader, simple, color, ship, sprite, mesh or post. Just click the "Choose your .fxo file to view this image" button on this page to find out what your FXO file is.

Technical Data for FXO File Extension

File classification:

Game

Identifier:

Hex: 01 09 FF FE (provided by TrID database)

Related files:

fx, fxc, hlsl, shader, fxi, fxp, shaders, nsb, cso, vso, mdl, dep, dll, alo, exe, ico, max, jpg, dds, x, zip

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: FXOfile, FileType: FXO File, AppName: Quick View
EXEFile: quikview.exe

ProgramID: GraphicsConverterPro.fxo, FileType: Winfax, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: FXOfile
EXEFile: %SystemRoot%\System32\viewers\quikview.exe -f:%1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

Show all 4 listings To Top

an fxo binary file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with FXO files

Associate the FXO file extension with the correct application.
Update your software that should actually open binary files. Because only the current version supports the latest FXO file format. Search, therefore, e.g. on the manufacturer website after an available FX Composer update.
To make sure that your FXO file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .FXO file online - secure, fast, and no downloads needed.