File Extension SBL File Format Flash object (ShockWave) SBL stands for Flash object (ShockWave). 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 how to stop execution of a code until a Jwindow is closed? Differences between magnetic storage and flash devices Does VMAX supports mixed generation platform in a same data center like VMAX3 and VMAX all flash?