Botw Wux File [exclusive] -

| Format | Full Name | Compression | Typical Size (BOTW) | |--------|-----------|-------------|---------------------| | .wud | Wii U Disc Image | None | ~23–25 GB | | .wux | Wii U Compressed Image | Lossless (LZMA/LZ4) | ~9–11 GB | | .wua | Wii U Archive (newer) | Solid compression | ~9 GB |

You're referring to the Breath of the Wild (BOTW) WUX file! botw wux file

was the standard for saving space in the past, modern emulation has largely shifted toward the .wua format | Format | Full Name | Compression |

The Wii U version of The Legend of Zelda: Breath of the Wild stores many of its game assets in proprietary archive formats, and one of the community-discovered file types you’ll encounter is the “.wux” file. This post explains what WUX files are, how to work with them safely, and practical steps for extracting, modifying, and testing assets — aimed at modders who want to create texture swaps, audio tweaks, or other simple content changes. Follow legal and ethical guidelines: only mod backups of games you own, avoid distributing copyrighted game files, and keep online play disabled if mods could interfere with networked experiences. Follow legal and ethical guidelines: only mod backups

If you’ve ventured into the world of The Legend of Zelda: Breath of the Wild (BOTW) emulation on PC, you’ve likely encountered a confusing array of file formats: .wud , .wux , .nsp , .xci , and more. Among these, the stands out as a fan-favorite for its unique blend of compression and performance.

While WUX saves space, it may result in slightly slower loading times compared to uncompressed "decrypted" folder formats (RPX) because the emulator must decompress data on the fly.