FBI File - opening and understanding

Did your computer fail to open a FBI file? We explain what they are used for and recommend software that we know can open or otherwise handle your .FBI files.

What is a FBI file?

A .FBI file is a Spring Engine Unit Info file. These FBI files contain the unit info used in Spring Engine, a game engine for real-time strategy video games. Third-party units can be imported into your Total Annihilation, a real-time strategy video game.

How to open FBI files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension FBI for different purposes.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Other file formats using extension .FBI

While Spring Engine Unit Info is a popular type of FBI-file, we know of 2 different uses of the .FBI extension.

The FBI file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a FBI opener may not be able to open all kinds of FBI files. In this case, look through both formats to make sure you find the best suited FBI viewer.

Total Annihilation Main Unit Definition

Through our analysis of FBI files, we know that one use of the format is Total Annihilation Main Unit Definition. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!