| File Extension | File Type | File Format | Associated Programs | File Types Associated |
|---|---|---|---|---|
| PCB | Printed Circuit Board Design File | Data Files | 2 | 1 |
| PCBDOC | Printed Circuit Board Description | Data Files | 1 | 1 |
| PHO | Gerber Photoplot File | CAD Files | 4 | 2 |
| PLB | Microsoft Robotics Developer Studio Playback Data | Data Files | 10 | 10 |
| PRJPCB | Altium Designer Project File | 3D Image Files | 1 | 1 |

