.ACG File Extension

Audio Comparer Group File

Developer Bolide Software
3.0  |  1 Vote

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.

More Information

Identifying duplicate audio files helps users reduce the amount of disk space taken up by songs and music.

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Programs that open ACG files


Agent Preview File

Developer Microsoft
1.0  |  1 Vote

An ACG file contains a character preview created for Microsoft Agent, an interactive assistant program. It stores a preview image of a custom or preinstalled character (saved in an .ACS file) that appears on the screen to assist Windows users. ACG files are typically saved with their corresponding ACS files for which they store the preview.

More Information

Microsoft Agent is a program that came preinstalled with Windows 98 through Windows Vista, but Microsoft discontinued it when it released Windows 8. The program featured animated characters that would interact with the user to help them better understand the operating system or assist them through issues.

How to open an ACG file

ACG files are not meant to be manually opened. Instead, Microsoft Agent references the file when loading the preview of a character.

Programs that open or reference ACG files

Included with OS

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