Inkscape can't open EPS files, so you have to convert them: https://inkscape.org/en/learn/faq/#how-to-open-eps-files-in-windows http://kristarella.com/2010/03/edit-eps-files-in-inkscape-on-mac Then exporting to EPS when you're done is problematic: http://blog.linuxgrrl.com/2013/08/12/how-to-produce-vector-eps-with-cmyk-color-using-free-software