CP Shrink

File Format
Name	CP Shrink
Ontology	Electronic File Formats Archiving CP Shrink
Extension(s)	.cpz
Released	≤1992

CP Shrink (or CPSHRINK) is a compressed archive program for DOS, and its native .CPZ file format. It was developed by Central Point Software. It usually uses PKWARE DCL Implode compression.

Identification

There's no obvious way to identify a CPZ file from its contents. There is probably some sort of checksum field that could be validated, but more research is needed.

Software

• Central Point More PC Tools 2.0 for DOS and Windows (German) → disk1.img → CPSHRINK.EXE (English)
• PC Tools Pro v9.0 (German) → disk1.img → CPSHRINK.EXE (German)
• CP Shrink, from the SAC collection (German)