.CSY File Extension

Symbol file used by Canvas, a drawing program used to create technical illustrations; contains a vector graphic that can be inserted into a drawing; can store symbols for signs, buildings, electrical circuit parts, and other objects; may be resized and styled to fit the illustration.

In Canvas 12, symbols can be accessed using the Symbol Library tab of the Docking Pane. There are over one thousand symbols included with the Canvas 12 installation.