.CPT file extension
This is the basic program to work with .CPT extension
.CPT extension is also supported by the following programs:
Edit bitmap, vector images, RAW images, and other photos and illustrations.
Chord Pickout Transcription
It enables you to use your PC to guess chords to your favorite songs.
It performs as an image viewer, editor, organizer, manager.
DigiBook is a complete photography organizer software for Windows.
Design extraordinary images for print or the Web.
Create web-based books, tutorials and slide shows.
IrfanView CPT File
Universal photo viewer, converter, and photo-slideshow creator.