.ITS File Extension
File Type 1Impulse Tracker Sample
What is an ITS file?
Audio sample format used by Impulse Tracker, an audio tracking program; supported by other tracking programs as well.
Programs that open ITS files
File Type 2Internet Document Set
.ITS File Association 2
Preference file that contains a list of file types that should be opened by Microsoft Internet Explorer (IE); file types and associations can be edited in Windows Explorer by selecting View→Options→File Types