EFF File

What are EFF files and how to open them

Are you having problems opening an EFF file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your EFF files.

What is an EFF file?

EFF files have multiple uses, and Infinity Engine Effect is one of them. Read more about the other uses further down the page.

Infinity Engine Effect

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open EFF files

Important: Different programs may use files with the EFF file extension for different purposes, so unless you are sure which format your EFF file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested seven different EFF openers which you will find listed below.

Last updated: July 13, 2020

All known file formats using extension .EFF

While Infinity Engine Effect is a popular type of EFF-file, we know of 3 different uses of the .EFF file extension. Different software may use files with the same extension for different types of data.

PV3D Effect

We know that one EFF format is PV3D Effect. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Real-Time Sound Processor II Effect

We know that one EFF format is Real-Time Sound Processor II Effect. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of EFF files. Remember, different programs may use EFF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about EFF file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.