.RCO File Extension
File TypePlayStation Portable Resource File
This file is saved in a binary format, which requires a specific program to read its contents.
What is an RCO file?
File used by the PlayStation Portable (PSP), a gaming device developed by Sony; contains resources for the PSP, including system information, sounds, icons, and other theme graphics; commonly used to customize the look and feel of the PSP interface.
One commonly edited RCO file is topmenu_plugin.rco, which contains the main menu and submenu XMB icons and text. RCO files are located in the flash0:/vsh/resource directory on a PSP flash card.