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.BSA File Extension

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File TypeBethesda Softworks Archive

DeveloperBethesda Softworks
Popularity
4.1 (15 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

Definition

Compressed game data archive used by Bethesda Softworks video games; contains 3d models, textures, sounds, and other data referenced by each game.

More Information

BSA files are not meant to be altered, but they can be "modded" in order to change the gameplay. Various programs exist to unpack and alter BSA files.

Program(s) that open .BSA files
Microsoft Windows LogoWindows
BSA Commander
BSA Browser
Fallout mod manager
FO3Archive
Updated 7/1/2014