| File Extension: | UPR |
| File Type Description: | Fractal Parameters File |
| File Type Developer: | Open Source |
| Primary Associated Software: | Apophysis |
| Primary Software Developer: | Open Source |
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Frederik Slijkerman created the Fractal Parameters File (UPR) file for the Ultra Fractal software series. Internal website statistics show that UPR files are most popular with users in China and those running the Windows 10 operating system. In most cases, these users are surfing the internet using the Google Chrome browser.
 | Ultra Fractal by Frederik Slijkerman |
 | FileMaker Pro by FileMaker Inc. |
 | Apophysis by Open Source |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | iOS |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .GTP | Ucamco | Data Files | Gerber Top Solder Paste Data File |
| .INVENTOR | Open Source | Data Files | SGI Open Inventor File |
| .GIM | Sony | Raster Image Files | PlayStation Portable Image File |
| .A08 | Robert K. Jung | Compressed Files | Split Multi-volume ARJ Compressed File Archive |
| .ULT | Radionomy | Audio Files | UltraTracker Module |
| .ADIUMSOUNDSET | The Adium team | Settings Files | Adium Sound Set File |
| .OGG | Xiph.Org | Audio Files | Ogg Vorbis Audio File |
| .XAF | Autodesk, Inc. | 3D Image Files | 3ds Max XML Animation File |
| .SGR | Electronic Arts | Game Files | SimCity 4 Graphics Rules File |
| .ADZ | GNU Project | Disk Image Files | Compressed Amiga Disk File |
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