TSComp

TSComp is the informal name of a compressed archive format used by some versions of the InstallShield installation software by The Stirling Group. It is also supported by a DOS utility named The Stirling Compressor. It uses PKWARE DCL Implode compression.

Identifiers
For single-file archives, often the last letter of the filename extension is changed to "$". For multi-file archives, the most common extensions seem to be .lib and .cmp.

Identification
Files begin with bytes:.

Software

 * [ The Stirling Compressor v1.3.21]
 * untsc A command line extractor with source in Golang.

Sample files

 * https://telparia.com/fileFormatSamples/archive/tscomp/