.POPSHAPE File Extension
File TypePopChar Character Shape File
What is a POPSHAPE file?
Character shape file used by PopChar, an OS X utility tool for accessing special characters and adding them to documents; contains a drawing of a character shape.
PopChar allows you to draw the shape of the character you are looking for then returns results that match your drawing. The POPSHAPE file is used by PopChar to match the character shapes of all the different fonts with your drawing.