BA2 file format description

Many people often share .ba2 files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .ba2 files. To address this issue, we have created this page to offer assistance and guidance on handling .ba2 files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .ba2 files.

Our aim is to simplify the process and promote seamless use of the .ba2 file format.

3 filename extension(s) found in our database.

.ba2 - Bethesda Softworks Archive

The BA2 game data files are related to Fallout 4. The BA2 file is a Bethesda Softworks Archive. BA2 format used in The Fallout 4 computer game.

Fallout 4
Game Data files
- / -
Bethesda Softworks Archive related extensions:
Croc Animation
Jewel Quest 2 Saved Game
Elder Scrolls V: Skyrim Game Plugin
Doctor Who Game Data
Brogue Saved Game
Civilization 4 Game Data

.ba2 - B.O.U.T. Evolution Low-res Texture Data

The BA2 game data files are related to B.O.U.T.. The BA2 file is a B.O.U.T. Evolution Low-res Texture Data. Bots of Unlimited Transformation (B.O.U.T.) is a massively multiplayer online game (MMO) created by Acclaim Games as the company's launch title and most popular game,[1] with the theme of robots fighting against computer viruses. The B.O.U.T. seems to be no longer supported.

Game Data files
- / -
B.O.U.T. Evolution Low-res Texture Data related extensions:
id Tech 6 Index Data
Monster Hunter: World SkillGem Parameters Data
Half-Life Map Collision Hull Data
Xpand Rally Xtreme Replay Data
GMod Saved Data
Diablo 2 Saved Game

.ba2 - Fallout 4 Game Archive

The BA2 game data files are related to Fallout 4. The BA2 file is a Fallout 4 Game Archive. Fallout 4 is a post apocalyptic sci-fi action role-playing open world video game developed by Bethesda Game Studios.

Fallout 4
Game Data files
- / -
Fallout 4 Game Archive related extensions:
Railroad Tycoon 3 Car Properties Data
The Witcher 2 Game Entity Data
StarCraft II Map Data
Infinity Engine Waveform Effects Data
LaserTank Help File
Kerbal Space Program Mesh Data

Naturally, other applications may also use the .ba2 file extension. Even harmful programs can create .ba2 files. Be especially cautious with .ba2 files coming from an unknown source!

Can't open a .ba2 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ba2 file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

a2, ab2, b2, b2a, ba, baw, baz, bz2, fa2, ha2, na2

Is it possible that the filename extension is misspelled?

There is a possibility that the .ba2 filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .ba2:

Btoa Encoded File
OpenEdge ABL After Image
ZPoC User List
Scifer External Header Archive
Blitz Basic Code
DATAIR FAS 87/132 Reporter Custom Data

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .ba2 file format, then write to us! >> BA2 file