.JIGSAW File Extension
File TypeJigsaw Explorer Save File
What is a JIGSAW file?
Save file created by Jigsaw Explorer, a browser-based jigsaw puzzle program; uses XML formatting and saves the current puzzle; enables puzzles to be saved to the desktop even though the program runs in the browser.
NOTE: Jigsaw Explorer uses Microsoft Silverlight technology and requires the Silverlight Web browser plug-in to be installed before running the program in the Web browser.