CSO file format description
Many people share .cso files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cso file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cso files.
2 filename extension(s) found in our database.
.cso - CSO Compressed PSP ISO Image
The CSO disk image files are related to ISO Compressor. The CSO file is a CSO Compressed PSP ISO Image. CSO is used to compress dumped Sony PlayStation Portable (PSP) UMD games.
- Application:
- ISO Compressor
- Category:
- Disk Image files
- Mime-type:
- application/octet-stream
- Magic:
- - / -
- Aliases:
- -
- CSO Compressed PSP ISO Image related extensions:
.cso - High Level Shader Language Compiled Bytecode
The CSO development files are related to DirectX SDK. The CSO file is a High Level Shader Language Compiled Bytecode. The High-Level Shader Language (HLSL) is a proprietary shading language developed by Microsoft for the Direct3D 9 API to augment the shader assembly language, and went on to become the required shading language for the unified shader model of Direct3D 10 and higher.
- Application:
- DirectX SDK
- Category:
- Development files
- Mime-type:
- application/octet-stream
- Magic:
- - / -
- Aliases:
- -
- High Level Shader Language Compiled Bytecode related extensions:
-
- .axf
- µVision Absolute and Executable Object
- .rotestresult
- RemObjects SDK Test Results Data
- .litcoffee
- CoffeeScript Literate Script
- .genmodel
- Eclipse Modeling Framework GenModel Data
- .jomproj
- Visual Studio JOOB Object Model Project
- .gshader
- Visual Studio GL Shader Data
Naturally, other applications may also use the .cso file extension. Even harmful programs can create .cso files. Be especially cautious with .cso files coming from an unknown source!
Can't open a .cso 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:
example.cso
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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .cso file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
cco, ceo, co, cos, cs, csi, csk, csl, csp, cxo, dso, fso, sco, so, sso
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- .csp
- CHARTrunner Pareto Style
- .cos
- Capture One Settings
- .cos
- Scilab Binary Diagram
- .csi
- ContentServ CS EMMS Include
- .csp
- InterSystems Cache Server Page
- .so
- Unix Shared Library
Operating systems
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android
If you find the information on this page useful, please feel free to link to this page.
If you have useful information about the .cso file format, then write to us!