FXN file format description

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

1 filename extension(s) found in our database.

.fxn - Fast XML Notation Data

The FXN data files are related to XML-FXN. The FXN file is a Fast XML Notation Data.

Data files
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Fast XML Notation Data related extensions:
SmartWare Word Processor Backup Data
Xserve Test Definition Data
iGrafx FlowCharter Workspace
infoUSA Network Meter file
FlashFXP Toolbar Theme Data
NGS Standard Product 3 Format Data

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

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

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

cxn, dxn, exn, fan, fdn, fn, fnx, fsn, fx, fxb, fxg, fxh, fxm, fzn, rxn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Greeting Card Factory Document
Flash XML Graphics
Microsoft DirectX D3D Effect
Conexant Modem Driver
Cubase FX Bank
WinFax Document

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 .fxn file format, then write to us!

DataTypes.net >> FXN file