What is BIG? What Opens a BIG? File Format List from WhatIs.com

File Extension

BIG File Format

Electronic Arts Game MOD File

BIG is a file extension for a game data archive file format used by many Electronic Arts games.  These compressed files are editable using finalbig.exe and users share game mods (or Modifications) using BIG archive files.  The Electronic Arts proprietary BIG archive is similar to ELF (Extensible Linking Format).


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This was last updated in July 2010
Editorial Director Margaret Rouse

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