| tny | Atari Tiny Image |
| tpc | TilePic Image |
| tpg | TilePic Image |
| tpic | Targa Bitmap Image |
| tpv | TutorPro Packed Graphics |
| tpx | Mirai TPX Image |
| trif | Tiled Raster Interchange Format |
| trp | Egg Paint Image |
| ttx | TilePic Image |
| tub | Corel Paint Shop Pro Tube |
| tuo | Thumbs Plus Viewer Graphics Data |
| tvg | Toon Boom Studio Vector Graphic |
| ucg | ULEAD MediaStudio CG Infinity Graphic |
| ufr | Ultra Fractal Fractal File |
| ulb | UL TIFF Image |
| ulg | UL JPEG Image |
| uni | Brother Fax |
| uol | PhotoImpact Clipart Image |
| upi | PhotoImpact Image |
| urt | Utah Raster Toolkit Image |
| usertile-ms | Windows 8 User Tile Data |
| uvp | Ulead MediaStudio Pro Video Paint Graphic |
| uyvy | Interleaved YUV 16Bits Raw Image |
| v | VIPS Image |
| v2i | TI Voyage 200 Image |
| vbr | Gimp Parametric Brush File |
| vda | Video Display Adapter Raster Image |
| vdt | Swiftview Imaging Command Set |
| vff | Sun TAAC Image |
| vfx | VentaFax Fax Image |
