3DO File Extension

File Type

Total Annihilation Object


Cavedog Entertainment


Game Files





Basic information about the 3DO file

3DO is the extension given to files that are used in 1 operating systems such as: Windows. Total Annihilation is a very common application as a tool for handling 3DO files. The developer of this program is Cavedog Entertainment. The 3D Object Converter programs are also compatible with 3DO files and can be used to open them.

The data in the 3DO files are saved in the manner characteristic for Game Files. The 3DO file extension can also be found in 1509 in other file types and may not be supported by Total Annihilation or similar programs. The format of this particular Total Annihilation Object file was developed by Cavedog Entertainment. Modification or reading of files with the name Total Annihilation Object in many cases is done in the Total Annihilation program.

Choose the right tool

3DO File Extension

3DO File Tools

What tools are we dealing with?

We provide some of the most important tools for working with the 3DO file. Through them, you can perform many activities related to 3DO for free. You can easily convert the file, preview its contents, or open and edit any 3DO file.

3DO File Opener

3DO opener is a very popular tool among our users. Here you will find a way to open your unknown 3DO file. Opening the 3DO file is just the beginning. Other file operations can be the next step.

3DO File Viewer

The 3DO Viwer tool helps to preview the contents of a file without the need to install dedicated software. Go to the subpage, select your 3DO file you want to view and our tool will show you what the file contains

3DO File Converter

Try to convert the 3DO file to a different format if problems arise while working with the 3DO file. After converting the file to a different format, you may have the option of using additional options for working with the 3DO file.

3DO File Editor

3DO editor allows you to edit the data contained in the file. If you need to be able to edit the 3DO file as much as possible, then it is best to install special software designed for this purpose. Check out our 3DO file editor page and learn about the possibilities



Copy and paste this link anywhere.

Link Copied!