Files with bsa file extension are game data archives commonly found in games produced by Bethesda Softworks (Fallout, TSE). These can be extracted using BSA Commander or other modding tool.

Detailed description

Software that open bsa file

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BSA file extension - Bethesda Softworks Archive

What is bsa file? How to open bsa files?

File type specification:

Game file type icon Game file type

The bsa file extension is mainly associated with various computer games developed by Bethesda Softworks game studio.

BSA is an archive format commonly found latest Bethesda games and used for resource files, which may contain models, textures, sounds, texts, maps and more.

Each game has its own BSA format, which is slightly different from others, but otherwise very similar in structure. Modders often seek to extract the contents of bsa files to alter some settings or add some of their own.

Games that use BSA archives include:

  • Fallout 3 (2008)
  • Fallout: New Vegas (2010)
  • The Elder Scrolls III: Morrowind (2002)
  • The Elder Scrolls IV: Oblivion (2006)
  • The Elder Scrolls V: Skyrim (2011)
  • The Elder Scrolls V: Skyrim Special Edition (2016)

The default software associated to open bsa file:

B.A.E. - Bethesda Archive Extractor  Microsoft Windows software

Company or developer:
jonwd7

B.A.E. is extractor for .ba2 and .bsa files that contain textures and meshes from Fallout games.

BSA unpacker  Microsoft Windows software

Company or developer:
Timeslip

BSA unpacker is an utility for viewing the files contained within .bsa files used in games produced by Bethesda. 

Dragon UnPACKer icon

Alexandre Devilliers logoDragon UnPACKer  Microsoft Windows software

Company or developer:
Alexandre Devilliers

Dragon Unpacker is unpacking tool for resource files from computer games, which is very popular in moding community. It supports plethora of file formats and also is able to search for known patterns in unknown file formats.

BSA Commander picture or screenshot

BSA Commander  Microsoft Windows software

Company or developer:
vasiliy73

BSA Commander is a small free program for work with Bethesda BSA archives.

Fallout: New Vegas icon

Bethesda Softworks LLC logoFallout: New Vegas  Microsoft Windows software

Company or developer:
Bethesda Softworks LLC

Fallout: New Vegas is a first person action role-playing video game from Fallout franchise developed by Obsidian Entertainment and published by Bethesda Softworks. It was released for Microsoft Windows, PlayStation 3 and Xbox 360 in 2010. The game is based in a post-apocalyptic environment in and around Las Vegas, Nevada.

The Elder Scrolls V: Skyrim icon

Bethesda Softworks LLC logoThe Elder Scrolls V: Skyrim  Microsoft Windows software

Company or developer:
Bethesda Softworks LLC

The Elder Scrolls V: Skyrim is an action role-playing video game developed and published by Bethesda Game Studios. It is the fifth and latest installment in The Elder Scrolls series. It was released in November 2011 for Microsoft Windows, PlayStation 3 and Xbox 360.

A new edition of the game was released in 2016. The Special Edition includes the critically acclaimed game and add-ons with all-new features like remastered art and effects, volumetric god rays, dynamic depth of field, screen-space reflections, and more.

The Elder Scrolls IV: Oblivion icon

Bethesda Softworks LLC logoThe Elder Scrolls IV: Oblivion  Microsoft Windows software

Company or developer:
Bethesda Softworks LLC

The Elder Scrolls IV: Oblivion is a single-player action role-playing video game developed by Bethesda Game Studios and fourth installment in The Elder Scrolls action fantasy video game series, following The Elder Scrolls III: Morrowind. Oblivion was released in March 2006 for Windows PCs and the Xbox 360.

The Elder Scrolls III: Morrowind icon

Bethesda Softworks LLC logoThe Elder Scrolls III: Morrowind  Microsoft Windows software

Company or developer:
Bethesda Softworks LLC

The Elder Scrolls III: Morrowind is a single-player computer role-playing game developed by Bethesda Game Studios. It is the third installment in The Elder Scrolls series of games. It was released in 2002 for Microsoft Windows and the Xbox.

Fallout 3 icon

Bethesda Softworks LLC logoFallout 3  Microsoft Windows software

Company or developer:
Bethesda Softworks LLC

Fallout 3 is an action role-playing game developed and released by Bethesda Game Studios in 2008. It is a third major installment in the Fallout series. Fallout 3 takes place in the year 2277, 36 years after the setting of Fallout 2 and 200 years after the nuclear apocalypse that devastated the game's world in a future where international conflicts culminated in a Sino-American war in the second half of the 21st century.

Help how to open:

There are several modding tools that can view or extract the contents of .bsa dile. See the program sections for more details.

How to convert:

BSA archives cannot be converted, however they can be extracted using BSA Commander.

Related links:

TS4 Oblivion - BSA File Format overview

Various programs for editing of BSA files

List of software applications associated to the .bsa file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open bsa file, edit bsa file, convert bsa file, view bsa file, play bsa file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting bsa files.

Software that open bsa file - Bethesda Softworks Archive

Programs supporting the exension bsa on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open bsa file action.

Microsoft Windows:

Main software associated with bsa file by default:
B.A.E. - Bethesda Archive Extractor
BSA unpacker
Dragon UnPACKer small icon Dragon UnPACKer
BSA Commander
Other suggested software:
FO3 Archive

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