This is the heavy lifter. It is a large "bigfile" or archive that contains the actual raw audio data. If you were to open this in a text editor, it would look like gibberish because it is packed with compressed audio streams.
Most players only touch these files for two reasons: or extracting voice lines . 1. Fixing Language Locks far cry 3 soundenglishdat and soundenglishfat files
Temporarily turn off Windows Defender or third-party AV during the installation. Move the completed files into the directory, then re-enable AV and add the data_win32 folder as an exclusion. This is the heavy lifter