What is .BSA file extension?
.BSA file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Compressed game data archive used by Bethesda Softworks video games; contains 3d models, textures, sounds, and other data referenced by each game.
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.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.