File Extension PIZ File Format Pizzicato Music Score ( ARPEGE sprl ) PIZ stands for Pizzicato Music Score ( ARPEGE sprl ). This was last updated in March 2012 By Margaret Rouse Browse File Extensions Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Ask a Question. Find an Answer. Ask your peers a question about this file extension. Ask a Question Effect size and significance Music and photo Win an iPod shuffle -- no joke!