.JSO File

The jso file extension is associated with the PSP ISO Compressor, an utility for Windows that allows owners of Sony PSP to compress ISO disk images of PSP games.

The jso file is playable in PSP with customized firmware.

This jso file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Can be used on PSP platform.

How to convert:

This type of disk images can be converted to other formats specific for PSP platforms.