How to open 3DI file extension?

The author of advice: Mr Brankiewicz

3DI files are incessantly popular. However, a file name containing 3DI file extension is problematic for some of the users. They have problems with correct opening of a file with 3DI extension. However, it should be remembered that 3DI file extension can match one or more types of files. The most popular is Delta Force Object Collection but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning 3DI files and search for its solution.

A list of programs supporting files types with 3DI extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • Delta Force Object Collection

    .3di file extension

    Category: Games Files

    OS Software
    Windows Delta Force Delta Force
    Delta Force: Land Warrior Delta Force: Land Warrior
    Delta Force 2 Delta Force 2

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from 3DI files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning 3DI extension of files?

The problem that often causes damage concerning 3DI extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the 3DI file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports 3DI file extension
  • 3DI file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with 3DI files


If 3DI file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a 3DI file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open 3DI file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing 3DI in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit 3DI format. It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a 3DI file? [ Add information about a 3DI file ]

001 file extension 32X file extension

5 564

of file extensions

8 858

of file types

5 504

of applications opening the files

1 661

of producers