>> 3DI file

3DI file format description

Many people share .3di files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .3di file can be edited, converted or printed with. On this page, we try to provide assistance for handling .3di files.

3 filename extension(s) found in our database.

.3di - Cadence Allegro 3D Model

The 3DI document files are related to Cadence Allegro. 3DI file is a Cadence Allegro 3D Model. Cadence Allegro is a PCB (Printed Circuit Board) layout system.

Cadence Allegro
Document files
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Cadence Allegro 3D Model related extensions:
BML W5 Model
Calendar Creator v5 Document
Calendar Creator v3 Document
Calendar Creator v2 Document
3D Home Architect Second Level Floor Plan
Calendar Creator v7 Document

.3di - Altair FEKO 3D Artwork Data

The 3DI data files are related to Altair FEKO. 3DI file is an Altair FEKO 3D Artwork Data. Altair Feko is a comprehensive computational electromagnetics (CEM) code used widely in the telecommunications, automobile, space and defense industries.

Altair FEKO
Data files
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Altair FEKO 3D Artwork Data related extensions:
Autodesk Maya 3D Bullet Data
ETCBC Analysis Data
Microsoft Word Backup Data
StreamCryptor Chunked Encrypted Dat
Virtual Ticket XML Data

.3di - Delta Force Game Object Collection Data

The 3DI game data files are related to Delta Force. 3DI file is a Delta Force Game Object Collection Data. Delta Force is a tactical first-person shooter computer game by developer and publisher NovaLogic.

Delta Force
Game Data files
- / -
Delta Force Game Object Collection Data related extensions:
Quake 3 Arena MD4 Model Data
Star Wars Battlefront II Saved Game
Cosmic Blobs 3D Model
Duke Nukem: Manhattan Project Game Archive
Microsoft Flight Simulator Aircraft Data
FIFA 2001 Game Data

Naturally, other applications may also use the .3di file extension. Even harmful programs can create .3di files. Be especially cautious with .3di files coming from an unknown source!

Can't open a .3di file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .3di file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

3d, 3dk, 3dl, 3do, di, edi, rdi, wdi

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CAD-3D Model
Cadwork 3D Drawing
WinDev Component Description
D Language Source Code
OS/2 Floppy Disk Image
ENVI-met Information File

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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