An eff file extension is related to the Bioware Infinity game engine effects files.

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

empty icon.eff - eFileFolders file format

empty icon.eff - EverQuest effects

Detailed description

Software that open eff file

Add comment

EFF file extension - Bioware Infinity game engine effects

What is eff file? How to open eff files?

File type specification:

Game file type icon Game file type

The eff file extension is associated with Bioware game engine called Infinity that is used by computer RPG games, like Baldur's Gate, Planscape: Torment, Icewind Dale etc.

The eff file contains effects visualized in the game.

The default software associated to open eff file:

Baldur's Gate icon

BioWare logoBaldur's Gate  Microsoft Windows software

Company or developer:

Baldur's Gate is a famous computer role-playing game created by BioWare and released in 1998.

Planescape: Torment icon

Interplay Entertainment Corporation logoPlanescape: Torment  Microsoft Windows software

Company or developer:
Interplay Entertainment Corporation

Planescape: Torment is a computer role-playing video game developed by Black Isle Studios and released by Interplay in 1999. 

Icewind Dale picture or screenshot

Interplay Entertainment Corporation logoIcewind Dale  Microsoft Windows software

Company or developer:
Interplay Entertainment Corporation

Icewind Dale is RPG computer game for Microsoft Windows operating system based on  R. A. Salvatore's the Icewind Dale Trilogy novels.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .eff 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 eff file, edit eff file, convert eff file, view eff file, play eff file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with eff file - Bioware Infinity game engine effects

Click on the software link for more information about Baldur's Gate. Baldur's Gate uses eff 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:

Main software associated with eff file by default:
Baldur's Gate small icon Baldur's Gate
Planescape: Torment small icon Planescape: Torment
Icewind Dale

Previous file extension
EFF file extension > Game file types

Next file extension
file extension EFT


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed