LanguageIKO
Windows Icon resource data
File type: Graphics file
An iko file extension is related to the Windows Icon format. Probably obsolete format.
What is iko file?
File type category:
Graphics file
Date updated: March 23, 2019
The iko file extension is sometimes used instead ICO file extension for icons.
Most likely some old format without support from the developer. No further information about iko format could be found.