.cso

File Type Compressed ISO Disk Image IconCompressed ISO Disk Image
File Format Standard
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ☆  Average
Description

Compressed .ISO disk image format used for archiving PlayStation Portable (PSP) games; may include up to nine levels of compression, but higher amounts of compression may cause the disk image to load slowly.

Open With
Windows

IconUMDGen

IconCisoPlus!

IconPSP ISO Compressor

Updated September 17, 2007
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