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BSA BA2
File conversion

Convert BSA to BA2

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Is it possible to convert BSA to BA2?
Yes - BSA converts to BA2.

Not a file converter - you unpack the .bsa to loose files (BAE/BSA Browser) and repack them as .ba2 with Archive2 (Fallout 4 Creation Kit) if targeting a BA2 game. The two formats are different archive versions, so go via loose files.

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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How to convert BSA to BA2

Converting a .BSA file to .BA2 lets you open the content in software that prefers the .BA2 format, though some details may change compared with the original. We are still putting together the list of programs that handle .BSA files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.BSA Bethesda Softworks Archive

A .bsa file is a Bethesda Softworks Archive - the packed container of 3D meshes, textures, sounds and scripts used by Morrowind, Oblivion, Skyrim and Fallout 3/New Vegas. The game loads it…

Open .BSA details →
.BA2 B.O.U.T. Evolution low res texture file

A .BA2 file is associated with B.O.U.T. Evolution low res texture, a raster image file.

Open .BA2 details →