{
 "id": "microsoft-access-database-file-2000",
 "name": "Microsoft Access Database File",
 "family": "access",
 "category": "database",
 "identifiers": {
  "extensions": [
   "mdb",
   "mde"
  ],
  "puid": [
   "x-fmt/240"
  ],
  "wikidata": [
   "Q48021588"
  ],
  "loc_fdd": [
   "fdd000462"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "000100005374616e64617264204a65742044420001000000",
    "notes": "MS Access 2000"
   }
  ],
  "signatures": [
   {
    "name": "MS Access 2000",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "000100005374616e64617264204a65742044420001000000"
     },
     {
      "position": "var",
      "pattern": "410063006300650073007300560065007200730069006f006e{0-2048}300038002e00[30:39]00[30:39]"
     }
    ]
   }
  ]
 },
 "status": "readable",
 "summary": "Microsoft Access Database File, formerly known as Jet Maseas Database format, is proprietary 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 Microsoft Access 2000 utiliooing the Jet 4.0 database engine. The page size of the Jet 4.0 database engine is 4096 bytes. The .mde extension refers to protected Access database file with compiled VBA and macros. This entry records the version 2000 of MDB file format, for a full list of versions please follow the links provided in the Notes section.",
 "tools": [
  {
   "name": "Kexi",
   "url": "http://www.kexi-project.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true
  },
  {
   "name": "MDB Tools",
   "url": "https://mdbtools.github.io/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true
  },
  {
   "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 Access 2007",
   "url": "https://www.wikidata.org/wiki/Q46049725",
   "reads": true,
   "writes": false,
   "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/240",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/240",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q48021588",
   "url": "https://www.wikidata.org/wiki/Q48021588",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "version": "2000",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}