.CPT File Extension

Bitmap image created by Corel PHOTO-PAINT, a photo editing program that is part of the CorelDRAW Graphics Suite; supports layers, alpha channels, transparency, and other image effects; used for storing touched up photos and exporting them to more common image formats, such as .JPG, .PNG, and .BMP.

File archive encrypted with ccrypt, a utility for encrypting and decrypting files and streams; based on the Rijndael cipher and uses an asymmetric encryption algorithm; requires a password to open.

Ccrypt is developed as an open-source program and is available for Mac, Windows, and Unix systems.

Audio file used by DVD authoring programs; contains audio, timecode, and header data; used in conjunction with video data to create DVDs.

NOTE: CPT files cannot be used to author Blu-ray discs. The .DTSHD format can be used instead.

File archive compressed with Compact Pro, a file compression program for Mac OS Classic (Mac OS 9 and earlier); uses a fast and efficient compression algorithm.

Development of Compact Pro stopped in the late 1990s and the program is no longer supported.

Presentation created by Conduits Pocket Slides on a Pocket PC PDA