Cabinet
Readablearchive
An archive format native to Microsoft Windows that contains compressed data.
Identify it
| Extensions | .cab |
|---|---|
| MIME types | application/vnd.ms-cab-compressed |
| Signatures | 4d534346 at byte 0 (Windows Cabinet File)4d53434600000000 at byte 0 |
| PRONOM | x-fmt/414 |
| Wikidata | Q194831 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
- 7-Zip (WebAssembly)Open source
- cabextractOpen source
- HachoirOpen source
- libarchiveOpen source
- libmspackOpen source
- PhotoRecOpen source
- Q215051Open source
Convert it
Convert a file in your browser The steps marked “in browser” run on your machine; nothing is uploaded.
| To | With | Fidelity | Command and losses |
|---|---|---|---|
| 7z | 7-Zip (WebAssembly) | Lossless | in browser Files are kept; archive comments, permissions or encryption may not be. |
| Tape Archive | 7-Zip (WebAssembly) | Lossless | in browser Files are kept; archive comments, permissions or encryption may not be. |
| ZIP | 7-Zip (WebAssembly) | Lossless | in browser Files are kept; archive comments, permissions or encryption may not be. |
Sources
From WebAssembly engines (ImageMagick, FFmpeg, Pandoc, 7-Zip, GDAL, Assimp, resvg), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-25.