An oa2 file extension is related to the B.O.U.T. Evolution MMORPG (massively multiplayer online role-playing game) and used for its files that store textures in low resolution.
There is one other file type using
the OA2 file extension!
.oa2 - Fujitsu OASYS 2 document
OA2 file extension - B.O.U.T. Evolution low res texture
What is oa2 file? How to open oa2 files?
File type specification:
The oa2 file extension is associated with the B.O.U.T. Evolution MMORPG.
The oa2 files contain low resolution textures, usually in JPEG file format with oa2 file extension.
The low resolution textures are used when the game is running on low graphic settings.
The high resolution texture files have the OA0 file extension instead.
This oa2 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.