.ecd is Encrypted Cryptee Document
Key Features: .ECD File Extension
What is an .ECD file?
The ecd file extension is mainly known to be used for a special printer driver for plotters used in CoCut Plotter plug-in for CorelDRAW, Adobe Illustrator, Adobe Freehand, Inkscape and other graphics editing apps for Microsoft Windows.
Files with ecd file extension may be often found as printer drivers for CoCut Plotter plugin.
How to open:These files are used by several programs, so perhaps they are installed as a plug-in or something like that.
How to convert:Drivers usually cannot be converted to anything else.