Archive File

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File Extension: .bsa, .ba2, .achlist

An Archive File stores other Game Files such as Interface Files, Material Files, Model Files, Script Files, Sound Files, String Files, Texture Files, and others to load during runtime. Archive files require a Data File of the same name to be activated or the archived content will be ignored.

BSA[edit | edit source]


.bsa stores files for The Elder Scrolls V: Skyrim and TESV: Skyrim Special Edition.

BA2[edit | edit source]


.ba2 stores files for Fallout 4.

Example[edit | edit source]

ACHLIST[edit | edit source]


.achlist files are JSON text files that can be opened and edited with a text editor, such as Notepad++. They contain all files to be stored.

Example[edit | edit source]

  • You can have the Creation Kit export an ACHLIST, but it is advised that you double-check what is exported for accuracy. Paths are sometimes created in error if the material file path slash is not in the correct direction.

Tooling[edit | edit source]

See Also[edit | edit source]