FNL file format description

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

2 filename extension(s) found in our database.

.fnl - EES File Names List

The FNL data files are related to EES. The FNL file is an EES File Names List. EES (Engineering Equation Solver) is a general equation-solving program that can numerically solve thousands of coupled non-linear algebraic and differential equations.

Data files
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EES File Names List related extensions:
EES Default Information
EES Dynamically Linked Function
EES Macro Data
EES Plot Template
EES Lookup Table
EES Textbook

.fnl - Windows Live Mesh FNL Data

The FNL data files are related to Windows Live Mesh. The FNL file is a Windows Live Mesh FNL Data. Windows Live Mesh is a discontinued free-to-use Internet-based file synchronization application by Microsoft.

Windows Live Mesh
Data files
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Windows Live Mesh FNL Data related extensions:
SAS v7 Sequential Access File Consolidation Database
DNASTAR SeqMan NGen Transcriptome Data
QTgrader Data
SAM hmmscore Selection Data
Personal Stock Streamer Portfolio Data
VMware ThinApp Snapshot File

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

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

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

bnl, dnl, enl, fbl, fgl, fl, fln, fml, fn, fni, fnk, fnm, fno, fnp, gnl

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Lucene Field Name Data
MicroSim PCBoard Netlist
SOBEK Filenames Data
AMPL NL Problem File
ALCUGS Settings
EndNote Library Data

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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DataTypes.net >> FNL file