| .BNL | Cadence Design Systems | Data Files | MicroSim PCBoard Netlist | OrCAD PCB Designer | Cadence Design Systems |
| .BOM | Apple | System Files | Mac OS X Bill Of Materials File | OrCAD Capture | Cadence Design Systems |
| .BRD | Autodesk, Inc. | Data Files | EAGLE Circuit Board File | Allegro PCB Designer | Cadence Design Systems |
| .BY | Cadence Design Systems | Data Files | PSpice Data | Pspice | Cadence Design Systems |
| .CDF | Wolfram Research | Page Layout Files | Computable Document Format File | OrCAD PCB Designer | Cadence Design Systems |
| .D02 | Cadence Design Systems | Data Files | MicroSim PCBoard NC Drill Data File | OrCAD PCB Designer | Cadence Design Systems |
| .D03 | Interscape | Compressed Files | Jydivide Split File | OrCAD PCB Designer | Cadence Design Systems |
| .D04 | Cadence Design Systems | Data Files | MicroSim PCBoard NC Drill Data File | OrCAD PCB Designer | Cadence Design Systems |
| .D05 | Cadence Design Systems | Data Files | MicroSim PCBoard NC Drill Data File | OrCAD PCB Designer | Cadence Design Systems |
| .D06 | Cadence Design Systems | Data Files | MicroSim PCBoard NC Drill Data File | OrCAD PCB Designer | Cadence Design Systems |
| .D07 | Cadence Design Systems | Data Files | MicroSim PCBoard NC Drill Data File | OrCAD PCB Designer | Cadence Design Systems |
| .DBC | Microsoft Corporation | Database Files | FoxPro Database File | OrCAD PCB Designer | Cadence Design Systems |
| .DBK | Sony | Backup Files | Sony Ericsson Mobile Phone Backup File | OrCAD PCB Designer | Cadence Design Systems |
| .DLG | Crytek | Game Files | Crysis Dialogue Data File | OrCAD PCB Designer | Cadence Design Systems |
| .DPC | Microsoft Corporation | Data Files | Microsoft Office Resource File | OrCAD PCB Designer | Cadence Design Systems |
| .DRA | Nuance | Audio Files | Dragon NaturallySpeaking Voice | OrCAD PCB Designer | Cadence Design Systems |
| .DRC | Open Source | Uncommon Files | Open Mobile Alliance DRM Rights Object | OrCAD PCB Designer | Cadence Design Systems |
| .DRT | Micrografx | Graphic Files | Micrografix Windows Draw Template File | OrCAD PCB Designer | Cadence Design Systems |
| .DSN | Cadence Design Systems | CAD Files | OrCAD Design File | OrCAD PCB Designer | Cadence Design Systems |
| .EBD | Microsoft Corporation | System Files | Windows EBD System File | Allegro PCB Designer | Cadence Design Systems |
| .FPD | Front Panel Express | CAD Files | Front Panel Designer Project | OrCAD PCB Designer | Cadence Design Systems |
| .G01 | U.S. Army Corps of Engineers | CAD Files | HEC-RAS Geometry File | OrCAD PCB Designer | Cadence Design Systems |
| .G09 | Atari Corporation | Graphic Files | Atari Picture Image File | OrCAD PCB Designer | Cadence Design Systems |
| .GLG | Cadence Design Systems | Data Files | MicroSim PCBoard Photoplot Job | OrCAD PCB Designer | Cadence Design Systems |
| .ILE | Cadence Design Systems | Developer Files | Encrypted Cadence SKILL File | SKILL | Cadence Design Systems |
| .JOB | Metamation | CAD Files | MetaCAM Nest Job File | OrCAD PCB Designer | Cadence Design Systems |
| .MIN | Okuma | CAD Files | Okuma CNC Program File | OrCAD PCB Designer | Cadence Design Systems |
| .OBK | O&O Software | Backup Files | DiskImage Backup File | OrCAD PCB Designer | Cadence Design Systems |
| .OLB | Microsoft Corporation | Uncommon Files | OLE Object Library | OrCAD PCB Designer | Cadence Design Systems |
| .OPJ | Cadence Design Systems | CAD Files | OrCAD Project File | OrCAD PCB Designer | Cadence Design Systems |
| .PCA | Sony | Audio Files | Perfect Clarity Audio File | OrCAD PCB Designer | Cadence Design Systems |
| .PKG | Apple | Compressed Files | Apple MacOS Installer Package | OrCAD PCB Designer | Cadence Design Systems |
| .PLB | Microsoft Corporation | Data Files | Microsoft Robotics Developer Studio Playback Data | OrCAD PCB Designer | Cadence Design Systems |
| .PRB | John C. Miller | Data Files | XyAlgebra Probabilities File | Pspice | Cadence Design Systems |
| .PSL | Ericom Software | Developer Files | PowerTerm Script Language File | OrCAD PCB Designer | Cadence Design Systems |
| .RTE | Autodesk, Inc. | Data Files | Revit Project Template | OrCAD PCB Designer | Cadence Design Systems |
| .SLB | Autodesk, Inc. | Uncommon Files | AutoCAD Slide Library | Pspice | Cadence Design Systems |
| .SMV | Smith Micro Software | Video Files | VideoLink Mail Video File | OrCAD PCB Designer | Cadence Design Systems |
| .TDF | DVD Copy | Settings Files | Title Definition Format File | OrCAD PCB Designer | Cadence Design Systems |
| .XMP | Adobe Systems Incorporated | Uncommon Files | Extensible Metadata Platform File | Pspice | Cadence Design Systems |
| .XPK | THQ Nordic | Game Files | WWE RAW Model File | Pspice | Cadence Design Systems |