| File Type 1 |
Corel Photo-Paint Document (Most common) |
| File Format |
File |
| Common? |
No |
| File Description |
Image created or saved with Corel PHOTO-PAINT, an photo editing program included with the CorelDRAW Graphics Suite; supports multiple layers and various image effects. |
| Program(s) that open cpt files |
Mac: XnView
Windows: Corel PHOTO-PAINT; Corel Paint Shop Pro; XnView |
| File Type 2 |
Pocket Slides Presentation |
| File Format |
File |
| Common? |
No |
| File Description |
Presentation created by Conduits Pocket Slides on a Pocket PC PDA |
| Program(s) that open cpt files |
Windows: Microsoft ActiveSync
Pocket PC: Conduits Pocket Slides |
| File Type 3 |
Compact Pro Archive |
| File Format |
Proprietary File |
| Common? |
No |
| File Description |
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. |
| Program(s) that open cpt files |
Mac: Smith Micro StuffIt Deluxe for Mac; Cyclos Compact Pro (Mac OS Classic) |
| File Type 4 |
Ccrypt Encrypted Archive |
| File Format |
Proprietary File |
| Common? |
No |
| File Description |
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. |
| Program(s) that open cpt files |
Mac / Windows / Unix: ccrypt |
|
