File Type 1 Generic IconWindows Media Profile File
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually
Rank ★ ★ ★  Common

XML file that contains a user or language profile; referenced by Windows Media Player and Windows Media Encoder; supported by Windows Media Player 9 and later.

Open With

IconMicrosoft Windows Media Player

IconMicrosoft Windows Live Movie Maker

Updated June 17, 2009
File Type 2 Generic IconPSP Plugin File
File Format Proprietary (Sony)
Usage Open manually
Rank ★ ☆ ☆  Uncommon

Data file used for updating the firmware of the PlayStation Portable (PSP); can upgrade custom firmware and may be included with firmware dumps; often used to add extra features such enabling screen captures and adding Flash support to the Web browser.

Open With

IconAceHack PRX Installer

IconWeeJeWel's PRX Manager

Updated 2007