CMP File Documentation

Overview

Feature Value
Format Name CMP (PKWare Compression Library archive file)
Developer PKWARE Inc.
Category Compressed file format
File Extension .cmp
MIME Type N/A
Compression Algorithm PKZIP compression algorithms
Lossless Yes
Encryption Capabilities Possible through PKWARE's utilities
Main Usage Storing compressed files and archiving
Supported by Operating Systems Various, requires compression/decompression utility
Multi-volume Archive Support Depends on utility used for compression/decompression
Maximum File Size Dependent on filesystem limits and compression utility
Archive File Integrity Check Method Checksum or CRC, depending on utility
Characteristics Can contain multiple files and directories
Open Format No
Compression Level Configurability Yes, dependent on software used
Support for Metadata Limited to file attributes maintained by the compression utility
Multi-threading Support Depends on the implementation in compression utility
Common Tools for Manipulation PKZIP, SecureZIP
Embeddable in Other File Formats Possible, but not commonly done
Custom Compression Algorithms Support No