Total Annihilation main unit definition data
File type: Game file
An fbi file contains main unit definition data for the Total Annihilation real-time strategy game.
The game reads these files to obtain the properties and other information for its units.
File type category:
Game file
Date updated: October 27, 2026
Total Annihilation was developed by Cavedog Entertainment for Microsoft Windows and Apple Mac computers. Its fbi files are text-based game data files that define individual units.
An fbi file provides the main definition used by the game for a unit. These files belong to the game's data files rather than being user documents, and are primarily of interest for inspecting or modifying the game's unit data.
Total Annihilation opens and reads its fbi files automatically when loading the relevant game data. The files can also be viewed as text with a plain-text editor, but changing them may alter the units in the game or prevent the data from working correctly.
An fbi file is a game data file and has no useful general-purpose conversion format. It can be edited as text for compatible Total Annihilation modifications, but it should remain in its original format for use by the game.
Software applications that handle other tasks involving fbi files:
Microsoft Windows
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