.KON File

The kon file extension is associated with the Yahoo! Widget program developed by Yahoo! Inc.. The kon extension file contains program code in XML format and it is a text file. 

Files with kon extension are used for Yahoo! Widgets. They include code for running the Yahoo! widget.

How to open:

Use Yahoo! Widget software to open files with kon extension

How to convert:

Currently there is no specific information available, about how to convert this file extension. For general information try to look at:Basic info how to convert source code or script files