A d file extension is related to the Infinity Engine and used for its dialogue files.

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

empty icon.d - ChemDraw chemical modeller output file

empty icon.d - D Programming Language source code

empty icon.d - Dialect source code

empty icon.d - SPPACK audio

empty icon.d - UFO: Enemy Unknown game data

D file extension - Infinity Engine dialogue data

What is d file? How to open d files?

File type specification:

Game file type icon Game file type

The d file extension is associated with the Infinity Engine, a video gaming engine for Baldur's Gate, IceWind Dale, Planescape Torment and other computer games developed by Bioware.

The d file stores in-game dialogues.

The default software associated to open d 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.

Help how to open:

Use compatible tools to work with *.d files.

How to convert:

Probably cannot be exported to other formats.

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

Unspecified and all other actions for computer programs working with d file - Infinity Engine dialogue data

Click on the software link for more information about Baldur's Gate. Baldur's Gate uses d 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 d file by default:
Baldur's Gate small icon Baldur's Gate
Other suggested software:
Baldur's Gate II small icon Baldur's Gate II
Icewind Dale
Planescape: Torment small icon Planescape: Torment

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