| .PCT | Apple | 頁面佈局檔案 | Macintosh PICT Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PDD | Adobe Systems Incorporated | 光柵圖像檔案 | Adobe PhotoDeluxe Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PEF | Pentax | 相機原始文件 | Pentax Digital Camera Raw Image Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PICT | Apple | 頁面佈局檔案 | Macintosh PICT Format | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PIXAR | Pixar | 光柵圖像檔案 | Pixar Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PJP | Joint Photographic Experts Group | 光柵圖像檔案 | JPEG Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PMG | Adobe Systems Incorporated | 向量圖像檔案 | PageMaker Group File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PNG | The Pixelmator Team | 光柵圖像檔案 | Portable Network Graphics | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSA | Epic Games | 三維圖像檔案 | Unreal Engine Skeletal Animation File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSD | Adobe Systems Incorporated | 光柵圖像檔案 | Adobe Photoshop Document | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSE | Adobe Systems Incorporated | 光柵圖像檔案 | Photoshop Elements Photo Project | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSF | Adobe Systems Incorporated | 設置檔案 | Photoshop Proof Settings File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PSP | Corel Corporation | 光柵圖像檔案 | PaintShop Pro Image | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .PXR | Pixar | 光柵圖像檔案 | Pixar Image File | Adobe Photoshop Elements | Adobe Systems Incorporated |
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