| .PAT | Autodesk, Inc. | Arquivos CAD | AutoCAD Hatch Pattern File | Canvas X | ACD Systems |
| .PBM | Unknown Developer | Arquivos de imagem Raster | Portable Bitmap Image | ACD Systems ACDSee | ACD Systems |
| .PCD | PokéCheats | Arquivos de jogos | Pokémon Wonder Card File | ACD Systems ACDSee | ACD Systems |
| .PCT | Apple | Arquivos de layout de página | Macintosh PICT Format | ACD Systems ACDSee | ACD Systems |
| .PDD | Adobe Systems Incorporated | Arquivos de imagem Raster | Adobe PhotoDeluxe Image | Canvas X | ACD Systems |
| .PEF | Pentax | Arquivos Câmera Raw | Pentax Digital Camera Raw Image Format | ACD Systems ACDSee | ACD Systems |
| .PGM | Jef Poskanzer | Arquivos de imagem Raster | Portable Gray Map Image | ACD Systems ACDSee | ACD Systems |
| .PIC | John Bridges | Arquivos de imagem Raster | Generic Picture File | ACD Systems ACDSee | ACD Systems |
| .PICT | Apple | Arquivos de layout de página | Macintosh PICT Format | ACD Systems ACDSee | ACD Systems |
| .PJP | Joint Photographic Experts Group | Arquivos de imagem Raster | JPEG Image | ACD Systems ACDSee | ACD Systems |
| .PNG | The Pixelmator Team | Arquivos de imagem Raster | Portable Network Graphics | ACD Systems ACDSee | ACD Systems |
| .PPM | The GIMP Development Team | Arquivos de imagem Raster | Portable Pixmap Image File | ACD Systems ACDSee | ACD Systems |
| .PRN | Various Developers | Arquivos de layout de página | HP PCL Printer Output | Canvas X | ACD Systems |
| .PSD | Adobe Systems Incorporated | Arquivos de imagem Raster | Adobe Photoshop Document | ACD Systems ACDSee | ACD Systems |
| .PSP | Corel Corporation | Arquivos de imagem Raster | PaintShop Pro Image | ACDSee Photo Manager | ACD Systems |
| .PSPIMAGE | Corel Corporation | Arquivos de imagem Raster | PaintShop Pro Image | ACDSee Photo Manager | ACD Systems |
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