Copy the converted files to a USB drive and test them on your older keyboard. Tips for a Successful Conversion
A lightweight, "no-frills" executable that specifically targets the SFF2 to SFF1 conversion process. It is highly recommended for users who want a simple drag-and-drop interface without complex settings. How to Convert SFF2 to SFF1 style format 2 converter free download
Since SFF2 styles often use "MegaVoices" or "S.Art" voices, they might sound strange or silent on older keyboards. You may need a Style Revoicer tool to swap these for standard GM or XG voices. Copy the converted files to a USB drive
Ensure the destination format is set to SFF1 (or "Old Format"). Run the Conversion: Click "Convert" or "Process." How to Convert SFF2 to SFF1 Since SFF2
This is the gold standard for free Yamaha style utilities. Jørgen Sørensen has developed a suite of Java-based tools specifically for style management.