FWN file format description

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

1 filename extension(s) found in our database.

.fwn - FreeWave Network Data

The FWN data files are related to FreeWave Tool Suite. The FWN file is a FreeWave Network Data. FreeWave Tool Suite is a program that provides easy, reliable, and repeatable programming and monitoring tools for FreeWave Technologies, Inc. wireless data transceivers, I/O Serial Base devices, and Expansion Modules.

FreeWave Tool Suite
Data files
- / -
FreeWave Network Data related extensions:
MUSHclient World Information
ERL Server Index Data
tg2htm Saved Metadata
Genesis 2000 LET Data
TikTokCook Timer Data
Orbiter Scenario Data

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

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

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

cwn, dwn, fan, fdn, fen, fn, fnw, fsn, fw, fwb, rwn, twn, wfn, wn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Greeting Card Factory Document
General Firmware File
AIM Traditional Wavefunction Data
GCL Cross Referencing Data
MakeMusic Finale Font Annotation File
WriteNow Text

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

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If you have useful information about the .fwn file format, then write to us!

DataTypes.net >> FWN file