FileInfo.com - The File Extensions Resource

.IT File Extension

File Type	Impulse Tracker Module
File Format	File
Common?	No
File Description	Music module created by Impulse Tracker, an audio tracking program; similar to the .S3M file format
Program(s) that open it files	Mac: CocoModX Windows: ModPlug Player

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/it