LZS221 is a data compression library, and associated compressed file format, by Stac Electronics.
Its exact relationship to Lempel–Ziv–Stac compression and related topics is unclear. In case of ambiguity, this article is meant to cover the file format associated with the LZSDEMO software listed below.
LZSDEMO does not appear to use a standard filename extension for the format.
Files begin with ASCII "
- LZSDEMO v3.1 (1992) - LZS221 Compression Demonstration (DOS software)
- STACTECH.ZIP/1106.TXT - Possibly related information