: Emulators such as Xemu specifically require the XISO format to function. A standard Windows ISO or a raw folder dump will often fail to boot without conversion. Comparison of Formats Standard ISO (Redump) XISO (Optimized) Extracted Folder Size Large (~7GB) Small (~4GB) FTP Speed Fast (One file) Fast (One file) Slow (Many files) Modding Stability Highest Moderate (Path limits) How to Convert to XISO ISO Extraction & Repacking - ConsoleMods Wiki
Contains junk data, padding files, and is formatted for DVD-ROM, often making it 4GB+ or even 7GB+ in size. forza motorsport xiso better
When you convert a Forza title to XISO: