.CPT File Extension

CPT files exist as 5 different types. Please find information about each of them below.

Type 1: Corel PHOTO-PAINT Image

General Information

Title CPT File Extension
Extension .cpt
Full Form Corel PHOTO-PAINT Image
File Type Raster Image File
Developer Corel Corporation
MIME Type application/x-cpt

File Function

Primary Function Store images
Additional Functions Support layers, transparency
Features Editable, Proprietary format

File Characteristics

Quality High resolution
Supports Layers Yes
Supports Transparency Yes
Editable Yes

Use Cases

Graphic Design Yes
Photo Editing Yes
Print Media Yes

Security and Practices

Security Risks File spoofing
Best Practices Regular updates, Verified sources

Historical/Version Information

Initial Release Early 1990s
Latest Version CorelDRAW Graphics Suite 2021

Associated Types

Similar Extensions .cdr, .psd, .ai

Software Compatibility

Software Usage Policy OS Compatibility
Corel PHOTO-PAINT Paid Windows, Mac
XnView MP Free Windows, Mac, Linux
ACDSee Paid Windows

Type 2: Ccrypt Encrypted Archive

General Information

Title CPT File Extension
Extension .cpt
Full Form Ccrypt Encrypted Archive
File Type Encrypted File
Developer Peter Selinger
MIME Type application/x-ccrypt

File Function

Primary Function Secure storage
Additional Functions Data encryption, Compression
Features Strong encryption, Command-line

File Characteristics

Quality High security
Supports Layers N/A
Supports Transparency N/A
Editable No, Encrypted

Use Cases

Secure Backup Yes
Data Transfer Yes
Confidential Information Yes

Security and Practices

Security Risks Key exposure
Best Practices Strong passphrase, Key management

Historical/Version Information

Initial Release 2001
Latest Version 1.11 (2021)

Associated Types

Similar Extensions .gpg, .pgp, .aes

Software Compatibility

Software Usage Policy OS Compatibility
Ccrypt Free Windows, Mac, Linux

Type 3: Compact Pro Archive

General Information

Title CPT File Extension
Extension .cpt
Full Form Compact Pro Archive
File Type Compressed Archive File
Developer CyberSafe
MIME Type application/mac-compactpro

File Function

Primary Function Data compression
Additional Functions File archiving
Features Data compression, File encryption

File Characteristics

Quality Lossless
Supports Layers No
Supports Transparency N/A
Editable No

Use Cases

File Archiving Yes
Data Transfer Yes
Backup Yes

Security and Practices

Security Risks Obsolete format
Best Practices Update to modern formats

Historical/Version Information

Initial Release Early 1990s
Latest Version Discontinued

Associated Types

Similar Extensions .zip, .sit, .rar

Software Compatibility

Software Usage Policy OS Compatibility
Compact Pro Discontinued Classic Mac OS
StuffIt Expander Free Mac, Windows
The Unarchiver Free Mac

Type 4: DTS Compact Audio File

Files in CPT format contain audio, timecode, and metadata. They are used with video data to create DVDs. CPT files can be opened with DTS-HD Master Audio Suite and DTS Surround Audio Suite in Mac and ...

General Information

Title CPT File Extension
Extension .cpt
Full Form DTS Compact Audio File
File Type Audio File
Developer DTS
MIME Type audio/x-dts

File Function

Primary Function Store audio
Additional Functions Compressed format
Features High quality, Multi-channel

File Characteristics

Quality Lossy compression
Supports Layers No
Supports Transparency N/A
Editable No

Use Cases

Home Theater Yes
Music Playback Yes
Professional Audio Yes

Security and Practices

Security Risks Low
Best Practices Regular updates, Licensed software

Historical/Version Information

Initial Release Unknown
Latest Version Varies by software

Associated Types

Similar Extensions .dts, .dtshd, .wav

Software Compatibility

Software Usage Policy OS Compatibility
DTS Play-Fi Free, Paid tiers Windows, iOS, Android
VLC Media Player Free Windows, Mac, Linux, iOS, Android
Foobar2000 Free Windows, iOS, Android

Type 5: Pocket Slides Presentation

General Information

Title CPT File Extension
Extension .cpt
Full Form Pocket Slides Presentation
File Type Presentation File
Developer SoftMaker Software
MIME Type application/x-compactpro

File Function

Primary Function Store presentation
Additional Functions Contain slides, images, text
Features Portable, Presentable

File Characteristics

Quality High, Visually rich
Supports Layers Yes
Supports Transparency Yes
Editable Yes

Use Cases

Business Presentations Yes
Educational Lectures Yes
Personal Slideshows Yes

Security and Practices

Security Risks File corruption
Best Practices Regular backups, Software updates

Historical/Version Information

Initial Release Not widely documented
Latest Version Tied to SoftMaker Office releases

Associated Types

Similar Extensions .ppt, .pptx, .odp

Software Compatibility

Software Usage Policy OS Compatibility
SoftMaker Office Commercial Windows, Linux, Android
PlanMaker Mobile Commercial Android