Stuffit Archive File 1.5
Unknownarchive
The Stuffit Archive file format is a proprietary file compression format originally developed by Raymond Lau in 1987. It supports storing the Resource Fork alongside other files and is commonly used in Mac environments, though a Windows version has also been released.
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| Extensions | .sit |
|---|---|
| MIME types | application/x-stuffit |
| Signatures | 53495421 at byte 0 (Stuffit Archive File Version 1.5) |
| PRONOM | fmt/1459 |
| Wikidata | Q109997309 |
| Apple UTI | com.stuffit.archive.sit |
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From PRONOM, Wikidata. Updated 2026-10-20.