| otd | OpenIV Texture Data |
| otps | OpenTibia Data |
| otr | Over the Reich Saved Game |
| ovh | OMSI Vehicle Configuration File |
| ovk | Little Busters Game Data |
| ovl | Rollercoaster Tycoon 3 Data |
| owp | Original War Game Package |
| ozb | MU Online Image |
| ozj | MU Online Image |
| ozt | MU Online Image |
| paa | Armed Assault Texture Data |
| packed | Jericho Game Data |
| packmeta | Quantum Break Package Metadata |
| pak | Quake Engine Data |
| paz | Black Desert Game Data |
| pb2map | Plazma Burst 2 Custom Map |
| pbo | Operation Flashpoint Data |
| pck | Perfect World Package |
| pcpack | Spider-Man 3 PC Game Data |
| pcsav | Mass Effect 2 Saved Game |
| pcsxstate | PCSX Saved State |
| pdlc | Farming Simulator Downloadable Content Package |
| pdt | HPS Ancient Warfare Parameter Data File |
| peg | Peggle Replay File |
| pegn | Peggle Nights Replay |
| pff | Armored Fist 3 Game Archive |
| pgb | Rayman 2 Game Data |
| pge | PocketGrandmaster Engine File |
| ph2 | Jack Orlando Data |
| phe | WinChess Game Record |
| phk | Jack Orlando Data |
| phn | Algodoo Phun Data |
| phx | Phoenix RC Simulator Downloaded Update |
| phya | Aleph One Physics Data |
| phz | Algodoo Phun Zipped Scene |