.BSA File

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)

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.

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.