{
 "id": "norton-change-directory-persistent-cache-file",
 "name": "Norton Change Directory Persistent Cache File",
 "category": "dataset",
 "identifiers": {
  "extensions": [
   "ncd"
  ],
  "puid": [
   "fmt/1902"
  ],
  "wikidata": [
   "Q123594002"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "504e4349",
    "notes": "Norton Change Directory Persistent Cache File"
   }
  ],
  "signatures": [
   {
    "name": "Norton Change Directory Persistent Cache File",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "504e4349"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "NCD is a persistent cache file associated with NCD (Norton Change Directory), a component of the Norton Commander software (mainly for MS-DOS). TREEINFO.NCD is written to the root directory of a drive, and stores the subdirectory layout of that drive.",
 "tools": [
  {
   "name": "Norton Commander",
   "url": "https://www.wikidata.org/wiki/Q776479",
   "reads": false,
   "writes": true,
   "license": "end-user license agreement"
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/1902",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1902",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q123594002",
   "url": "https://www.wikidata.org/wiki/Q123594002",
   "kind": "wiki"
  },
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/Treeinfo.ncd",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}