.ACG File Extension
File Type 1Audio Comparer Group File
What is an ACG file?
File created by Audio Comparer, a program used for finding duplicate audio files on the hard drive; saves a group of audio files together that can be compared with each other or against other files on the hard drive.
Identifying duplicate audio files helps users reduce the amount of disk space taken up by songs and music.
File Type 2Agent Preview File
.ACG File Association 2
Preview of a character created for Microsoft Agent, an interactive assistant program; provides a sample preview of the character and is typically saved along with a corresponding .ACS file.