MIDI to Style conversion & Batch processing.

: A community-driven platform for downloading and sharing free high-quality Yamaha arranger styles. Where to Download MIDI Song to Style V1.2.0 for Windows 11 - Yamaha

: The software does the heavy lifting, converting your file with a few clicks.

StyleMagic is widely considered the "Gold Standard" for Yamaha styles. While it has a paid "Studio" version, the is incredibly powerful for basic to intermediate creation.