CGNS file format description

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

1 filename extension(s) found in our database.

.cgns - CFD General Notation System Data

The CGNS data files are related to CFD General Notation System. The CGNS file is a CFD General Notation System Data. The CFD General Notation System (CGNS) provides a general, portable, and extensible standard for the storage and retrieval of computational fluid dynamics (CFD) analysis data.

CFD General Notation System
Data files
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CFD General Notation System Data related extensions:
Autodesk AutoCAD Mass Properties Report
EagleUp Data
KwMusic Data
Dr. Beam Pro Data
Clone Remover Data
Act! E-Mail Message

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

Can't open a .cgns 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 .cgns file extension is often given incorrectly!

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

cgn, cgs, cns, gns

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Far Cry Game Archive
Client Connection Manager Config
Mugen Character States Data
Sound Health Abacus Genesis Data
PoldatDB Data

Operating systems 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 .cgns file format, then write to us! >> CGNS file