| .ABF | Adobe Systems Incorporated | Fonttitiedostot | Adobe Binary Screen Font File | Microsoft SQL Server | Microsoft Corporation |
| .BAK | Various Developers | Varmuuskopiointitiedostot | General Backup File | Microsoft SQL Server | Microsoft Corporation |
| .BLB | SourceForge | Pelitiedostot | Interactive Fiction Package Game File | Microsoft SQL Server | Microsoft Corporation |
| .BSM | Take-Two Interactive | Pelitiedostot | Bioshock Map Data | Microsoft SQL Server | Microsoft Corporation |
| .CKP | Microsoft Corporation | Tietokantatiedostot | SQL Server Checkpoint File | Microsoft SQL Server | Microsoft Corporation |
| .CUB | Microsoft Corporation | Datatiedostot | Analysis Services Cube File | Microsoft SQL Server | Microsoft Corporation |
| .DBML | Microsoft Corporation | Sovelluskehittäjän tiedostot | Visual Studio OR Design File | Microsoft SQL Server | Microsoft Corporation |
| .DMX | Valve | Videotiedostot | Source Filmmaker Project File | Microsoft SQL Server | Microsoft Corporation |
| .DRI | Microsoft Corporation | Tietokantatiedostot | Microsoft SQL Server Replication File | Microsoft SQL Server | Microsoft Corporation |
| .DS | DAZ 3D | 3D-kuvatiedostot | DAZ Studio 1/2 Script | Microsoft SQL Server | Microsoft Corporation |
| .DTS | CyberLink | Äänitiedostot | DTS Encoded Audio File | Microsoft SQL Server | Microsoft Corporation |
| .JOR | Microsoft Corporation | Harvinaiset Tiedostot | Microsoft SQL Server Journal File | Microsoft SQL Server | Microsoft Corporation |
| .LDF | Microsoft Corporation | Datatiedostot | SQL Server Transaction Log File | Microsoft SQL Server | Microsoft Corporation |
| .MDF | Alcohol Soft | Levyn kuvatiedostot | Alcohol 120% Disk Image File Format | Microsoft SQL Server | Microsoft Corporation |
| .MDX | Disc Soft Ltd. | Levyn kuvatiedostot | Extended Media Descriptor File | Microsoft SQL Server | Microsoft Corporation |
| .NDF | Microsoft Corporation | Tietokantatiedostot | SQL Server Secondary Database File | Microsoft SQL Server | Microsoft Corporation |
| .QRY | Oracle Corporation | Tietokantatiedostot | Query File | Microsoft SQL Server | Microsoft Corporation |
| .RLL | Microsoft Corporation | Asetustiedostot | Microsoft Resource Library | Microsoft SQL Server | Microsoft Corporation |
| .SDF | Microsoft Corporation | Tietokantatiedostot | SQL Server Compact Database File | Microsoft SQL Server | Microsoft Corporation |
| .SQR | Oracle Corporation | Datatiedostot | SQL Program File | Microsoft SQL Server | Microsoft Corporation |
| .TRC | Microsoft Corporation | Tietokantatiedostot | SQL Server Trace File | Microsoft SQL Server | Microsoft Corporation |
| .TRN | Microsoft Corporation | Varmuuskopiointitiedostot | SQL Server Transaction Log Backup File | Microsoft SQL Server | Microsoft Corporation |
| .VIW | Microsoft Corporation | Tietokantatiedostot | Microsoft SQL Server View Script File | Microsoft SQL Server | Microsoft Corporation |
| .WRK | Cakewalk, Inc. | Äänitiedostot | Cakewalk Music Project | Microsoft SQL Server | Microsoft Corporation |
| .XPP | Microsoft Corporation | Sovelluskehittäjän tiedostot | X++ Source Code File | Microsoft SQL Server | Microsoft Corporation |
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