.EC3 File Extension
File TypeEPSON Print CD File
What is an EC3 file?
CD label project created by older versions of EPSON Print CD, whereas newer versions use the .PRINTCD2 format; saves the design of the label, including graphics and text; can be printed on a disc inserted into the supporting EPSON printer.
Printers supporing disc printing include the EPSON Stylus R200 and R300.