{
 "id": "microsoft-office-owner-file",
 "name": "Microsoft Office Owner File",
 "category": "document",
 "identifiers": {
  "extensions": [
   "doc",
   "docx"
  ],
  "puid": [
   "fmt/473"
  ],
  "wikidata": [
   "Q60000066"
  ],
  "signatures": [
   {
    "name": "MS Owner file v1",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "06{52}000600"
     }
    ]
   },
   {
    "name": "MS Owner file v2",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "07{52}000700"
     }
    ]
   },
   {
    "name": "MS Owner file v3",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "08{52}000800"
     }
    ]
   },
   {
    "name": "MS Owner file v4",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "09{52}000900"
     }
    ]
   },
   {
    "name": "MS Owner file v5",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0a{52}000a00"
     }
    ]
   },
   {
    "name": "MS Owner file v6",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0b{52}000b00"
     }
    ]
   },
   {
    "name": "MS Owner file v7",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0c{52}000c00"
     }
    ]
   },
   {
    "name": "MS Owner file v8",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0d{52}000d00"
     }
    ]
   },
   {
    "name": "MS Owner file v9",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0e{52}000e00"
     }
    ]
   },
   {
    "name": "MS Owner file v10",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0f{52}000f00"
     }
    ]
   },
   {
    "name": "MS Owner file v11",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "01{52}000100"
     }
    ]
   },
   {
    "name": "MS Owner file v12",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "02{52}000200"
     }
    ]
   },
   {
    "name": "MS Owner file v13",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "03{52}000300"
     }
    ]
   },
   {
    "name": "MS Owner file v14",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "04{52}000400"
     }
    ]
   },
   {
    "name": "MS Owner file v15",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "05{52}000500"
     }
    ]
   },
   {
    "name": "MS Owner file v16",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "14{52}001400"
     }
    ]
   },
   {
    "name": "MS Owner file v17",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "10{52}001000"
     }
    ]
   },
   {
    "name": "MS Owner file v18",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "11{52}001100"
     }
    ]
   },
   {
    "name": "MS Owner file v19",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "12{52}001200"
     }
    ]
   },
   {
    "name": "MS Owner file v20",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "13{52}001300"
     }
    ]
   },
   {
    "name": "MS Owner file v21",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "15{52}001500"
     }
    ]
   },
   {
    "name": "MS Owner file v22",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "16{52}001600"
     }
    ]
   },
   {
    "name": "MS Owner file v23",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "17{52}001700"
     }
    ]
   },
   {
    "name": "MS Owner file v24",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "18{52}001800"
     }
    ]
   },
   {
    "name": "MS Owner file v25",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "19{52}001900"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "When a previously saved Word document is opened for editing, for printing, or for review, Word creates a temporary file that has a .doc file name extension. This file name extension begins with a tilde (~) that is followed by a dollar sign ($) that is followed by the remainder of the original file name. This temporary file holds the logon name of person who opens the file. This temporary file is called the \"owner file.\"",
 "projects": [
  {
   "name": "PRONOM fmt/473",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/473",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q60000066",
   "url": "https://www.wikidata.org/wiki/Q60000066",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "tools": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}