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>> JSO file

JSO file format description

Many people share .jso files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .jso file can be edited, converted or printed with. On this page, we try to provide assistance for handling .jso files.

1 filename extension(s) found in our database.

.jso - JISO Compressed PSP ISO Image

JSO file is a JISO Compressed PSP ISO Image. It is used to compress dumped Sony PlayStation Portable (PSP) UMD games.

.jso file format description:
JSO format description not yet available
PSP ISO Compressor
Disk Image files
- / -
JISO Compressed PSP ISO Image related links:
JISO Compressed PSP ISO Image related extensions:
Gear DVD Video Image
SquashFS Image
WinUAE HDD Image
Nero CD Image
SafeHouse Private Storage
Atari ST MSA Floppy Disk Image

Naturally, other applications may also use the .jso file extension. Even harmful programs can create .jso files. Be especially cautious with .jso files coming from an unknown source!

Can't open a .jso file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .jso file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

iso, so, mso, jsl, jsi, jo, nso, jsp, jsk, js

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ISO 9660 Cd-Rom Disk Image
Java Servlet
JO Audio File
Microsoft Office Rendering Data
Unix Shared Library

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