{
  "fileFormatID": 53,
  "formatName": "AutoCAD Block Attribute Template",
  "version": null,
  "formatDescription": "AutoCAD Block Attribute Template file is used when extracting attribute information from a drawing which creates a text file for use with database software. Signatures based on v. 2005, 2006, 2008 versions. Any information which can help us expand these signatures would be valuable.",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "15 Nov 2023",
  "formatProvenance": "11/2023 (v.115)- Added two internal signatures and updated description. Submitted by National Archives and Records Administration.",
  "formatSourceDate": "02 Aug 2005",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": null,
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "x-fmt/24",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 2282,
      "name": "AutoCAD Block Attribute Template",
      "note": "Absolute from beginning of file, magic bytes: \u2026..\u00ff\u00ff\u00ff\u00ff\u2026\u2026\u2026\u2026.AcDx",
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          "positionType": "Absolute from BOF",
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        }
      ]
    },
    {
      "signatureID": 2283,
      "name": "AutoCAD Block Attribute Template, BlockInfo",
      "note": "Absolute from beginning of file, magic bytes: \u2026\u2026\u00ff\u00ff\u2026.CEattBlockInfo",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
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  "externalSignatures": [
    {
      "externalSignature": "blk",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    1
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}