Возможны варианты:
CorelPhotoHouse.Document.5.0
Concrete.Pipe.Selector
ArchiCAD.cpsFile
CoralPic Photo Show File
ArchiCAD.cpsFile
QEMM Backup of Startup Files
Colored PostScript File
Classroom Performance System File
Central Point PC Tools Backup
Anti-Virus Checksum
Смотреть здесь - http://filext.com/file-extension/CPS
