There are 2 other file types using
the EFX file extension!

empty icon.efx - Everex eFax fax document

efx icon.efx - Ensoniq instrument data

Detailed description

Software that works with efx file extension

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EFX file - Quake 3 Arena effect file

What is efx file? How to open efx files?

File type specification:

Game file type icon Game file type

efx file icon: efx filetype icon

The EFX file extension is associated with the computer game Quake 3 Arena. File contains effect data.

The default software associated to efx file type:

Quake 3 icon

id Software LLC logoQuake 3  Microsoft Windows software

Company or developer:
id Software LLC

Quake 3 Arena is very popular multiplayer first person shooter released in 1999. In the single-player mode players fight against computer controlled enemies called bots and is prepared to on-line gaming against real opponents.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .efx file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .efx file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open efx file, edit efx file, convert efx file, view efx file, play efx file etc. (if exist software for corresponding action in's database).

  • Others efx file

Unspecified and all other actions for computer programs working with efx file - Quake 3 Arena effect file

Click on the software link for more information about Quake 3. Quake 3 uses efx file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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