| .BCD | Microsoft Corporation | System Files | Windows Boot Configuration Data File | Turbo Pascal | Embarcadero Technologies |
| .BGX | Bjarne Stroustrup | Graphic Files | BC45 | C++Builder | Embarcadero Technologies |
| .BPL | Autodesk, Inc. | Uncommon Files | AutoCAD Batch Plot File | Delphi (IDE) | Embarcadero Technologies |
| .BPR | Embarcadero Technologies | Developer Files | Borland C++Builder Project File | C++Builder | Embarcadero Technologies |
| .CA1 | Piotr Fusik | Raster Image Files | CrackArt Picture Image | Delphi (IDE) | Embarcadero Technologies |
| .CA2 | Embarcadero Technologies | Developer Files | Delphi Install Disk12 File | Delphi (IDE) | Embarcadero Technologies |
| .CA5 | Embarcadero Technologies | Developer Files | Delphi Install Disk11 File | Delphi (IDE) | Embarcadero Technologies |
| .CBK | InterSystems | Backup Files | Backup Configuration File | Delphi (IDE) | Embarcadero Technologies |
| .CDS | CS Odessa | Vector Image Files | ConceptDraw SlideShow | Delphi (IDE) | Embarcadero Technologies |
| .CGI | Unknown Developer | Executable Files | Common Gateway Interface Script | RAD Studio | Embarcadero Technologies |
| .CGL | Embarcadero Technologies | Developer Files | CodeGuard Error Log File | RAD Studio | Embarcadero Technologies |
| .CHR | Crytek | 3D Image Files | CryENGINE Character File | C++Builder | Embarcadero Technologies |
| .DCP | Embarcadero Technologies | Developer Files | Delphi Compiled Package | Delphi (IDE) | Embarcadero Technologies |
| .DCU | Embarcadero Technologies | Developer Files | Delphi Compiled Unit | Delphi (IDE) | Embarcadero Technologies |
| .DCUIL | Embarcadero Technologies | Developer Files | Delphi .NET Compiled Unit File | Delphi (IDE) | Embarcadero Technologies |
| .DDP | Embarcadero Technologies | Developer Files | Delphi Diagram Portfolio File | Delphi (IDE) | Embarcadero Technologies |
| .DFM | Open Source | Text Files | Pascal File | Delphi (IDE) | Embarcadero Technologies |
| .DFN | Embarcadero Technologies | Settings Files | Delphi Definition Data | RAD Studio | Embarcadero Technologies |
| .DIL | Embarcadero Technologies | Data Files | Delphi File | Delphi (IDE) | Embarcadero Technologies |
| .DMT | DeLorme | GIS Files | XMap Transfer File | Delphi (IDE) | Embarcadero Technologies |
| .DPC | Microsoft Corporation | Data Files | Microsoft Office Resource File | Delphi (IDE) | Embarcadero Technologies |
| .DPJ | Delft Spline Systems | 3D Image Files | DeskProto Project | Delphi (IDE) | Embarcadero Technologies |
| .DPK | Embarcadero Technologies | Developer Files | Delphi Package | Delphi (IDE) | Embarcadero Technologies |
| .DPL | Embarcadero Technologies | Developer Files | Delphi Package Library | Delphi (IDE) | Embarcadero Technologies |
| .DPO | DECAdry | Text Files | DECAdry Express Business Cards Business Card | Delphi (IDE) | Embarcadero Technologies |
| .DPR | Niklaus Wirth | Developer Files | Pascal Source Code | Turbo Pascal | Embarcadero Technologies |
| .DRC | Open Source | Uncommon Files | Open Mobile Alliance DRM Rights Object | Delphi (IDE) | Embarcadero Technologies |
| .DRES | Embarcadero Technologies | Developer Files | Delphi Compiled Resource File | Delphi (IDE) | Embarcadero Technologies |
| .DRO | Open Source | Audio Files | DOSBox Raw OPL Format | Delphi (IDE) | Embarcadero Technologies |
| .DSK | Power Software Ltd | Disk Image Files | General Disk Image | Delphi (IDE) | Embarcadero Technologies |
| .DSL | ABBYY | Data Files | Lingvo Dictionary Data File | Delphi (IDE) | Embarcadero Technologies |
| .DST | Autodesk, Inc. | CAD Files | AutoCAD Sheet Set File | C++Builder | Embarcadero Technologies |
| .DTI | Microsoft Corporation | Data Files | Microsoft Windows Application Log File | Delphi (IDE) | Embarcadero Technologies |
| .EPJ | Grass Valley | Video Files | EDIUS Pro Project File | Rapid SQL | Embarcadero Technologies |
| .GDB | Garmin | Database Files | GPS Database File | InterBase | Embarcadero Technologies |
| .HXX | The Qt Company | Developer Files | C++ Source Code Header File | C++Builder | Embarcadero Technologies |
| .IMI | Embarcadero Technologies | Developer Files | Turbo Pascal DOS File | Turbo Pascal | Embarcadero Technologies |
| .IMP | Lotus Software | Spreadsheet Files | Improv Spreadsheet File | Turbo Pascal | Embarcadero Technologies |
| .JPR | Microsoft Corporation | Text Files | WordPad Document | JBuilder | Embarcadero Technologies |
| .JPX | Embarcadero Technologies | Developer Files | JBuilder Project | JBuilder | Embarcadero Technologies |
| .KEP | Embarcadero Technologies | Compressed Files | Turbo Pascal DOS Tp19 Compressed Kepler File | Turbo Pascal | Embarcadero Technologies |
| .LOCAL | Embarcadero Technologies | Settings Files | Delphi User-Specific Project Options | Delphi (IDE) | Embarcadero Technologies |
| .M68 | Embarcadero Technologies | Developer Files | Turbo Pascal DOS File | Turbo Pascal | Embarcadero Technologies |
| .MAP | id Software | Game Files | Quake Engine Map File | Delphi (IDE) | Embarcadero Technologies |
| .MDX | Disc Soft Ltd. | Disk Image Files | Extended Media Descriptor File | InterBase | Embarcadero Technologies |
| .NFM | Embarcadero Technologies | Developer Files | Delphi .NET Form File | Delphi (IDE) | Embarcadero Technologies |
| .OHI | Borland | Developer Files | Delphi OpenHelp Index | Delphi (IDE) | Embarcadero Technologies |
| .P | Python Software Foundation | Developer Files | Python Pickle File | Turbo Pascal | Embarcadero Technologies |
| .PA3 | Embarcadero Technologies | Developer Files | Turbo Pascal DOS File | Turbo Pascal | Embarcadero Technologies |
| .PAS | Embarcadero Technologies | Developer Files | Delphi Unit Source File | Delphi (IDE) | Embarcadero Technologies |
| .PSM | Embarcadero Technologies | Data Files | Turbo Pascal Symbol Table Of IDE | Turbo Pascal | Embarcadero Technologies |
| .QR2 | Embarcadero Technologies | Data Files | Delphi Database Quick Report | Delphi (IDE) | Embarcadero Technologies |
| .RES | Valve | Settings Files | Valve Resource File | Delphi (IDE) | Embarcadero Technologies |
| .RTL | Hewlett-Packard | Raster Image Files | Raster Transfer Language File | C++Builder | Embarcadero Technologies |
| .SLIP | Embarcadero Technologies | Data Files | CodeGear License Data | JBuilder | Embarcadero Technologies |
| .SWG | Embarcadero Technologies | Data Files | SWAG Pascal Snippets | Turbo Pascal | Embarcadero Technologies |
| .T2W | Borland | Graphic Files | NTgraph Turbo Pascal File | Turbo Pascal | Embarcadero Technologies |
| .TDS | Borland | Developer Files | Turbo Debugger Symbols File | C++Builder | Embarcadero Technologies |
| .TMK | Embarcadero Technologies | Data Files | Turbo Pascal Tour File | Turbo Pascal | Embarcadero Technologies |
| .TP | SnapStream Media | Video Files | Beyond TV Transport Stream File | Turbo Pascal | Embarcadero Technologies |
| .TPH | Borland | Text Files | Turbo Pascal Help File | Turbo Pascal | Embarcadero Technologies |
| .TPP | Ternion Corporation | Data Files | FLAMES GUI Template File | Turbo Pascal | Embarcadero Technologies |
| .TPU | Borland | Developer Files | Turbo Pascal Unit | Turbo Pascal | Embarcadero Technologies |
| .TPX | DeLorme | GIS Files | DeLorme Topo Project File | Turbo Pascal | Embarcadero Technologies |
| .TR | Yadabyte | eBook Files | TomeRaider 2 eBook File | Turbo Pascal | Embarcadero Technologies |
| .WFK | Embarcadero Technologies | Data Files | Delphi Data File | Delphi (IDE) | Embarcadero Technologies |
| .WFO | Embarcadero Technologies | Data Files | Delphi Runimage File | Delphi (IDE) | Embarcadero Technologies |
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