| pbf | Picasa Button File |
| pbf | PowerBackup Data |
| pbin | polarization NAVIGATOR Binary Data |
| pbj | PowerBackup Job Data |
| pbk | ElectraSoft Fax Phone Book |
| pbk | HP 95LX Phone Book Data |
| pbn | Portable Bridge Notation Database |
| pbo | Samsung A900 Phone Book Object |
| pbob | Vbox Preview Data |
| pbp | COM Profibus ASCII Exported Data |
| pbp | PlaybackPro Video Database |
| pbp | Sony PSP Firmware Update Image |
| pbq | PunkBuster Query Script |
| pbr | Corel Paint Shop Pro Brush Data |
| pbr | Microsoft Publisher Backup Data |
| pbs | Paint Shop Pro Brush Strokes Data |
| pbw | Pebble Watchface Data |
| pbz | Picasa Button Zipfile |
| pc | Sierra Print Artist Postcard |
| pc3 | Harvard Graphics 3.0 Custom Palette |
| pc5 | RSLogix 5 Internal Data |
| pca | MicroSim PCBoard Layout Data |
| pca | PCAnywhere Registry Backup |
| pcache | Unity Point and Particle Cache |
| pcap | Libpcap Captured Packets |
| pcapng | PCAP Next Generation Dump Data |
| pcast | iTunes Podcast File |
| pcb | CIRCAD PCB Design |
| pcb | SmartCAM Custom Control Panel File |
| pcb3dlib | Altium Designer PCB 3D Model |
