# Add this into the info.plist file of an application # and the icns icon in Contents/Resources # then move the application twice : # http://superuser.com/questions/178316/how-to-set-an-icon-for-a-file-type-on-mac CFBundleDocumentTypes CFBundleTypeExtensions ipynb CFBundleTypeIconFile ipynb_mac_icon CFBundleTypeName IPython notebook file CFBundleTypeRole None