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.BSA File Extension

File TypeBethesda Softworks Archive

DeveloperBethesda Softworks
4.3 (18 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files


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

What is a BSA file?

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.

Open over 300 file formats with File Viewer Plus.
Programs that open BSA files
BSA Commander
BSA Browser
Fallout mod manager
Updated 7/1/2014

.BSA Extension Information

This page contains information about the file extension BSA and its known file associations. Our goal is to help you understand what a *.bsa file is and how to open it.

The Bethesda Softworks Archive file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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