Files with the .acm extension are most commonly used by Interplay video games. These files contain compressed audio files that are used by the video games during game play. Popular games that use the ACM file format include Fallout, Baldur's Gate and BioWare.
The .acm file extension is also used for audio compression module add-on files, ACMB graphics files, Nova Forms location map files, Adobe Photoshop command button files and SCTR Molecular Fingerprint Analyzer ACM files.
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If you have additional information about the ACM file format or software that uses files with the ACM suffix, please do get in touch - we would love hearing from you.