{
  "fileFormatID": 1249,
  "formatName": "MS-DOS Compression Format (SZDD Variant)",
  "version": null,
  "formatDescription": "The MS-DOS compression format uses the SZDD algorithm to compress a single file into another single file, replacing the last character in the filename with an underscore. It is implemented via the MS-DOS commands COMPRESS.EXE and EXPAND.EXE.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": "A DOS compressed file will be named file.**_, so a DOS compressed .exe will be named 'file'.ex_, a DOS compressed .jpg will be named 'file'.jp_. \r\n\r\nhttps://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html",
  "lastUpdatedDate": "28 Oct 2022",
  "formatProvenance": null,
  "formatSourceDate": "28 Aug 2012",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Aggregate",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/462",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 718,
      "name": "MS DOS Compression (SZDD)",
      "note": "BOF: SZDD\u02c6\u00f0'3A",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": null,
          "byteSequence": "535A444488F0273341",
          "endianness": null,
          "byteSequenceID": 904
        }
      ],
      "provenance": "Source: Files from TNA Digital Archive, http://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html"
    }
  ],
  "externalSignatures": [],
  "relationships": [],
  "submittedBy": [
    1
  ]
}