| 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 |
| ph | Windows Help Phrase-table Data |
| pha | Pro/ENGINEER Helper App Data |
| pha | Process Hazard Analysis File |
| phb | ClustalW2 Tree Data |
| phb | Motorola Phone Book |
| phb | NewLeaf PhraseBook |
| 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 |
| photoslibrary | Apple Photos Library |
| phr | Adobe RoboHelp Phrase List |
| phr | iGO Phoneme Data |
| phred | Phred Data |
| phs | SVAL Phases Data |
| phs | XtalView Xfit Phase Data |
| pht | ParaView Phasta Metafile |
| phu | PicoQuant Time Tagged File |
