There are 5 other file types using
the DEF file extension!

def file icon.def - Definition data

def file icon.def - Data Entry/Review Module file

def file icon.def - Nova Logic game weapon profile file

def file icon.def - ESwin wizard file

def file icon.def - IOBit Malware Fighter definitions

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DEF file extension - id Tech 6 video settings

What is def file? How to open def files?

File type specification:

Game file type icon Game file type

The def file extension is associated with the id Tech 6 a video gaming engine, developed by id Software for Doom (Doom 4, Doom 2016) video game.

The def file contains video card (graphic card) settings. These files are included in *.resources game archive.

The default software associated to def file type:

Doom (Doom 4) icon

id Software LLC logo Doom (Doom 4)  Multiplatform software

Company or developer:
  id Software LLC

DOOM returns as a brutally fun and challenging modern-day shooter experience. Relentless demons, impossibly destructive guns, and fast, fluid movement provide the foundation for intense, first-person combat – whether you’re obliterating demon hordes through the depths of Hell in the single-player campaign, or competing against your friends in numerous multiplayer modes.

Help how to open DEF files:

Currently there is no specific information available, about how to open this file extension.

For general information try to look at:
Basic info how to open game files

How to convert file with extension DEF:

Currently there is no specific information available, about how to convert this file extension.

For general information try to look at:
Basic info how to convert game files

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

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open def file, edit def file, convert def file, view def file, play def file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Settings def file

Settings file type for software that use def file - id Tech 6 video settings

Click on the link to get more information about Doom (Doom 4) for settings def file action.

Multiplatform:

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