Right-click and choose "Convert to Compressed Wii U Archive (.wua)".
: WUA files use Zstandard (Zstd) compression. They are typically much smaller than raw WUD images and comparable to or better than the older WUX format, saving significant disk space. wua roms wii u
A .wua file is a monolithic container format, akin to a specialized archive. Internally, it uses a custom index that stores: Right-click and choose "Convert to Compressed Wii U
: Unlike .wud or .wux files, .wua files generally do not require external keys to run in Cemu. Double-click the game list entry
The most ethically and legally sound way to obtain Wii U files is to "dump" them from your own physical console using homebrew software.
Double-click the game list entry. The emulator will mount the WUA file virtually and boot the game instantly. There is no "install" time, no decryption wait, and no caching needed.
While WUA is excellent for playability and storage, it is a outside of the emulation community. If you plan to reinstall games onto original Wii U hardware (using tools like NUS-style installers), you would typically need the original "encrypted" files rather than a WUA.
