| .PCT | Apple | File con layout di pagina | Macintosh PICT Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PDD | Adobe Systems Incorporated | File con immagini raster | Adobe PhotoDeluxe Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PEF | Pentax | File Videocamera non elaborati | Pentax Digital Camera Raw Image Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PICT | Apple | File con layout di pagina | Macintosh PICT Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PIXAR | Pixar | File con immagini raster | Pixar Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PJP | Joint Photographic Experts Group | File con immagini raster | JPEG Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PMG | Adobe Systems Incorporated | File con immagini vettoriali | PageMaker Group File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PNG | The Pixelmator Team | File con immagini raster | Portable Network Graphics | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSA | Epic Games | File 3D | Unreal Engine Skeletal Animation File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSD | Adobe Systems Incorporated | File con immagini raster | Adobe Photoshop Document | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSE | Adobe Systems Incorporated | File con immagini raster | Photoshop Elements Photo Project | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSF | Adobe Systems Incorporated | File di settaggi | Photoshop Proof Settings File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSP | Corel Corporation | File con immagini raster | PaintShop Pro Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PXR | Pixar | File con immagini raster | Pixar Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
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