Compressed ISO Image File

File Extension: .cso Developer: N/A Views: 140138 Updated: 2011-01-10 12:22:11 Hex: 43 49 53 4F ASCII: CISO

The Playstation Portable is a hand held games and multimedia console from Sony and was released in 2005 and uses the Universal Media Disc as its storage medium.

Games that have been dumped from UMD storage use the extension .cso which is used to compress .iso images, this compression method has 9 levels of compression and allows the user to play games from the memory card.