| pd4 | Clone Manager Primer Designer Data |
| pd4 | DFSee Partition Data |
| pd4 | Windows Live Photo Gallery Information |
| pd5 | DFSee Partition Data |
| pd5 | Windows Live Photo Gallery Information |
| pd6 | Lacerte Tax Data |
| pd9 | PADS Layout Library PCB Decal Data |
| pdas | PDAStore Data Store |
| pdata | JSim Pretty Data Format |
| pdb | Brookhaven Protein DataBase |
| pdb | CYANA PDB Coordinate File |
| pdb | DL_POLY PDB Trajectory Data |
| pdb | MODELLER Atom Coordinates Data |
| pdb | Palm OS Desktop Database |
| pdb | Protein Data Bank |
| pdb | Ribbons Protein Databank |
| pdb | Sybase PowerDesigner Physical Data Model Backup |
| pdbx | Insight II X-PLOR Coordinate Data |
| pdbx | SunGard Martini Personal Database |
| pdcdm | Sybase PowerDesigner Conceptual Data Model |
| pdd | Medtronic Programmer Data |
| pde | AFP Page Definition |
| pde | FlexPDE Script |
| pde | Pathology Data Exchange File |
| pdef | Protean Data Exchange Format Data |
| pdex | Orient Computer Encrypted Data |
| pdfpla | Esko Plato Layout Data |
| pdfsta | Esko Plato Station Data |
| pdg | MetaCAM Part Data |
| pdg | Print Designer GOLD Data |
