| 1 | 4DB | 4D | 4th Dimension Database Structure Format |
| 2 | ACCDB | Microsoft | Access 2007 Database Format |
| 3 | ACCDC | Microsoft | Microsoft Access Signed Package |
| 4 | ACCDR | Microsoft | Access Runtime Application |
| 5 | ACCDT | Microsoft | Microsoft Access Database Template |
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| 6 | ACCDU | Microsoft | Access Add-in Format |
| 7 | ADB | Alpha Software | Alpha Five Database Format |
| 8 | BTREE | Apple, Inc. | Apple Mac OS HFS+ B-tree |
| 9 | BW1 | Byteworx | FMEA Database |
| 10 | CIDB | Apple | Apple ITunes CD Information Format |
| 11 | CSV | N/A | Comma Separated Values Format |
| 12 | DB | N/A | Database Format |
| 13 | DB-JOURNAL | SQLite Development Team | SQLite Database Journal |
| 14 | DB2 | dataBased Intelligence | DBASE II Database |
| 15 | DB3 | SQLite | SQLite Database Format |
| 16 | DBF | dBASE | Database Format |
| 17 | DBS | Unify | SQLBase Database Format |
| 18 | DEVX | Rick Meyers | E-sword Devotional |
| 19 | DXI | ZPAY Payroll Systems, Inc. | PayWindow Database |
| 20 | ECSV | N/A | Encapsulated Comma Separated Value |
| 21 | EDB | Microsoft | Exchange Information Store Database |
| 22 | ERBSQL | Ruby community | Ruby SQL |
| 23 | EVENT | Corel | Corel Cataloged Folder Format |
| 24 | FDB | N/A | Database Format |
| 25 | FMT | Microsoft | Database Format |
| 26 | GDB | Borland | InterBase Database Format |
| 27 | HKDB | Apple | Apple ITunes Library Format |
| 28 | IBD | Oracle Corporation | MySQL InnoDB Database Table |
| 29 | IBZ | Oracle Corporation | MySQL InnoDB Database Table Compressed Backup |
| 30 | IDX | The VobSub Team | Index Format |
| 31 | IQY | Microsoft | Internet Query |
| 32 | KDB | KeePass Password Safe | Keypass Database Format |
| 33 | LFP | IPRO Tech | IPRO LFP Format |
| 34 | MAV | Microsoft | Access View Format |
| 35 | MCDB | Adobe Systems Incorporated | Adobe Premiere Pro Media Cache Database |
| 36 | MDB | Microsoft | Microsoft Access Database |
| 37 | MDE | Microsoft | Compiled Access Add-in Format |
| 38 | MDN | N/A | Blank Access Database Template |
| 39 | MDT | Intergraph | GeoMedia Access Database Template |
| 40 | MYD | MySQL | MySQL Database Data Format |
| 41 | NLPE | PremiumSoft CyberTech Ltd. | Navicat For SQLite Exported Table |
| 42 | NOPE | PremiumSoft CyberTech Ltd. | Navicat For Oracle Exported Table |
| 43 | NPPE | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Exported Table |
| 44 | NSPE | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Exported Table |
| 45 | OLK14DBHEADER | Microsoft Corporation | Microsoft Outlook 2011 For Mac Database |
| 46 | QBQUERY | MySQL AB | MySQL Query Browser Saved SQL Query Command |
| 47 | RQY | Microsoft Corporation | Microsoft Excel OLE DB Query |
| 48 | S2DB | N/A | SQLite 2.0 database |
| 49 | S3DB | N/A | MySQL Database |
| 50 | SDB | Computers & Structures | OpenOffice Base Database Format |
| 51 | SDF | Microsoft | Standard Data Format |
| 52 | SL2 | N/A | Generic |
| 53 | SL3 | N/A | Generic |
| 54 | SQL | ISO/IEC | Structured Query Language Data Format |
| 55 | SQLITE | SQLite | SQLite Database Format |
| 56 | SQLITE2 | N/A | SQLite 2.0 database |
| 57 | SQLITE3 | SQLite | SQLite 3 Database Format |
| 58 | SQLITEDB | SQLite | SQLite Database |
| 59 | STR | dataBased Intelligence | DBASE Structure List Object Format |
| 60 | VDB3 | Ancestry Inc. | VistaDB Database |
| 61 | VFA | FontLab Ltd. | FontLab Database |
| 62 | VSR | Microsoft Corporation | Microsoft Access Report |
| 63 | WDB | Microsoft | Microsoft Works Database |
| 64 | XML | World Wide Web Consortium | XML Format |
| 65 | XSS | Oracle | XML Style Sheet |
