{
  "fileFormatID": 3951,
  "version": "2",
  "formatName": "ACE",
  "formatDescription": "ACE is a compressed archive format, originally developed by Marcel Lemke and later by e-merge GmbH. Some relevant software includes Ace (for DOS, OS/2 and Windows console, WinAce, Active ACE and ACE Compression. Version 2 of ACE introduced new compression schemes that are not supported by all ACE compression software.",
  "formatTypes": "Aggregate",
  "formatNote": "http://fileformats.archiveteam.org/wiki/ACE",
  "lastUpdatedDate": "27 Nov 2025",
  "formatSourceDate": "27 Nov 2025",
  "identifiers": [
    {
      "identifierText": "application/x-ace-compressed",
      "identifierType": "MIME"
    },
    {
      "identifierText": "fmt/2076",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 3439,
      "name": "ACE Archive 2",
      "note": "BOF; Offset: 7; Magic Bytes: '**ACE**' followed by byte sequence of 0x1414",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 7,
          "maxOffset": 0,
          "byteSequence": "2A2A4143452A2A1414",
          "endianness": null,
          "byteSequenceID": 3833
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "ace",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    299
  ]
}