{
 "id": "microsoft-access-database-file-2-0",
 "name": "Microsoft Access Database File",
 "family": "access",
 "category": "database",
 "identifiers": {
  "extensions": [
   "mdb",
   "mda"
  ],
  "puid": [
   "x-fmt/66"
  ],
  "wikidata": [
   "Q48004607"
  ],
  "loc_fdd": [
   "fdd000462"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "01000000",
    "notes": "Microsoft Access Database File 2.0"
   }
  ],
  "signatures": [
   {
    "name": "Microsoft Access Database File 2.0",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "01000000{1026}5269636809"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "Microsoft Access Database File, formerly known as Jet MDB Database format, is propriatory file format developed and used by Microsoft as a native format for its Microsoft Access (formerly Microsoft Jet Database Engine) desktop database management system. First released in 1992, starting with version 1.0 the earlier versions of the database used the Jet Database Engine, with version 1.0 having a maximum size of 128 megabytes, then increasing to 1 gigabyte with versions 1.1 and 2.0. This entry records the version 2.0 of MDB file format, for a full list of versions please follow the links provided in the Notes section.",
 "tools": [
  {
   "name": "Microsoft Access 2007",
   "url": "https://www.wikidata.org/wiki/Q46049725",
   "reads": true,
   "writes": false
  },
  {
   "name": "Q80689",
   "url": "https://microsoft.com/microsoft-365/access",
   "reads": true,
   "writes": false,
   "license": "proprietary license"
  },
  {
   "name": "GMDB2",
   "url": "https://www.wikidata.org/wiki/Q135936988",
   "reads": true,
   "writes": false,
   "via": "access"
  },
  {
   "name": "Microsoft Access 2000",
   "url": "https://www.wikidata.org/wiki/Q120598149",
   "reads": true,
   "writes": true,
   "via": "access"
  },
  {
   "name": "Microsoft Office Excel 2007",
   "url": "https://www.wikidata.org/wiki/Q10329635",
   "reads": true,
   "writes": false,
   "via": "access"
  },
  {
   "name": "PhotoRec",
   "url": "http://www.cgsecurity.org/wiki/PhotoRec",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "access"
  },
  {
   "name": "Recovery Toolbox",
   "url": "https://recoverytoolbox.com/",
   "reads": true,
   "writes": false,
   "via": "access"
  },
  {
   "name": "SPSS",
   "url": "https://www.ibm.com/spss",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "access"
  }
 ],
 "projects": [
  {
   "name": "PRONOM x-fmt/66",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/66",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q48004607",
   "url": "https://www.wikidata.org/wiki/Q48004607",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "version": "2.0",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}