A gui file extension is related to the Doom 3 video game from id Software. A gui file stores game data.

There are 4 other file types using
the GUI file extension!

empty icon.gui - GUI Design Studio project

empty icon.gui - Infinity Engine game file

empty icon.gui - Aliens vs. Predator game data

empty icon.gui - Dr.Explain project

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GUI file extension - Doom 3 game data

What is gui file? How to open gui files?

File type specification:

Game file type icon Game file type

The gui file extension is associated with Doom 3, a first person shooter video game for Microsoft Windows operating system, developed by id Software, Inc..

The gui file is used for HUD in Doom 3 engine-based games.

The default software associated to open gui file:

Doom 3 icon

id Software LLC logoDoom 3  Microsoft Windows software

Company or developer:
id Software LLC

Doom 3 is sci-fi horror first person shooter computer game released in 2004. Doom 3 is a reboot of the legendary computer game DooM with new look on original DooM story. Doom 3 story is set in 2145 on Mars, where scientists opened a gateway to Hell. Mars is under attack of invasion by demons. Main hero is anonymous space marine that must stop this catastrophic invasion. Doom 3 also supports very popular multiplayer gaming.

Help how to open:

You cannot open this file type manually, it is accessed by the game automatically.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.

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

Unspecified and all other actions for computer programs working with gui file - Doom 3 game data

Click on the software link for more information about Doom 3. Doom 3 uses gui 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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