| pgq | PageQ Browser Data |
| pgr | PowerGREP Saved Result File |
| pgr | Pretty Good Privacy Groups Data |
| pgs | PGSuper Data |
| pgsa | PowerGREP Sequence Action Data |
| pgsr | PowerGREP Sequence Results Data |
| pgt | Pokemon Gift File |
| pgt | SigmaWin+ Program Table Data |
| pgu | PowerGREP Undo History Data |
| pgw | BlenderGIS PNG World Data |
| pgwx | BlenderGIS PNG World Data |
| pgx | Hopedot VOS Data |
| ph | PHYLIP Format |
| pha | Process Hazard Analysis File |
| phb | ClustalW2 Tree Data |
| phb | Motorola Phone Book |
| phb | PhotoBase Album Data |
| phb | PHYLIP Format |
| phc | Pegasus Mail Header Cache Data |
| phd | Phred Data |
| phd | ProShow Producer Database |
| phd | Punch! Home Design CAD Plan |
| phf | ALEID2000 Curves Library |
| phi | SPOCK PhiMap Data |
| phl | Icon Phile Scheme |
| phm | PhotoPhilia Thumbnail Cache |
| phm | Pro Home Manager Data |
| pho | MBROLA Phonetic Data |
| phoa | PhoA Album |
| photolibrary | Apple iPhoto Photo Library |
