.CPT File Extension
Corel PHOTO-PAINT Image
Developer | Corel |
Popularity |
3.3 | 44 Votes |
What is a CPT file?
A CPT file is a bitmap image created by Corel PHOTO-PAINT, a photo editing program included with CorelDRAW Graphics Suite. It contains an image that supports layers, alpha channels, transparency, and other effects. CPT files are the native files PHOTO-PAINT saves to store images users create or modify with the software.
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Amateur and professional photographers and graphic designers may use Corel PHOTO-PAINT to create or edit images for various purposes. Examples include advertisements, photo collages, social media and web graphics, and artistic illustrations.
When you save an image with PHOTO-PAINT, the application creates the CPT file, by default, to store the image and all the edits you have applied. After saving the CPT file, you can close it and re-open it to apply future edits.
How to create a CPT file with PHOTO-PAINT
To create a CPT file with PHOTO-PAINT:
- Select File → New.
- Name the file, choose the dimensions and other settings, then click OK.
- Edit the image.
- Select File → Save or Save As, choose the save location, and click Save.
How to open a CPT file
You can open a CPT file with the Corel PHOTO-PAINT application included with CorelDRAW Graphics Suite (Windows and macOS). To open a CPT file with PHOTO-PAINT, select File → Open.
You can also open CPT files with Corel Presentations (Windows) and XnViewMP (multiplatform).
How to convert a CPT file
Several applications, including CorelDRAW Graphics Suite and XnViewMP, can convert CPT files to various formats.
For example, the PHOTO-PAINT application included with CorelDRAW Graphics Suite can convert CPT files to many file types, including the following formats:
Programs that open CPT files
Ccrypt Encrypted Archive
Developer | Peter Selinger |
Popularity |
3.2 | 14 Votes |
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.
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Ccrypt is developed as an open-source program and is available for Mac, Windows, and Unix systems.
Programs that open CPT files
Compact Pro Archive
Developer | Cyclos |
Popularity |
2.4 | 10 Votes |
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.
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Development of Compact Pro stopped in the late 1990s and the program is no longer supported.
Programs that open CPT files
DTS Compact Audio File
Developer | DTS |
Popularity |
1.4 | 5 Votes |
Audio file used by DVD authoring programs; contains audio, timecode, and header data; used in conjunction with video data to create DVDs.
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NOTE: CPT files cannot be used to author Blu-ray discs. The .DTSHD format can be used instead.
Programs that open CPT files
Pocket Slides Presentation
Developer | Conduits Technologies |
Popularity |
1.0 | 5 Votes |
A CPT file may also be a presentation created by Conduits Pocket Slides, a mobile presentation software designed for Pocket PC devices, specifically PDAs. It contains information about one or more slides, including text, images, and formatting details that make up the presentation.
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Pocket Slides software was popular in the early 2000s because it offered mobile users a way to create, view, and edit presentations on the go. The program supports various presentation features, including slide transitions, and text formatting, making it a helpful tool for professionals and students needing mobile presentation options.
Due to the rise of more advanced smartphones and the shift away from Windows Mobile as a major platform, Pocket Slides and its CPT format gradually became obsolete by the mid-to-late 2000s. Conduits Technologies actively developed the program until around 2007, with version 2.51 being its last major release.