>> OPN file

OPN file format description

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

1 filename extension(s) found in our database.

.opn - Opera Optimizer Settings

The OPN configuration files are related to Opera Optimizer. OPN file is an Opera Optimizer Settings. Opera is a multi-physics software suite which allows coupled simulations to be performed. The Opera Optimizer is a software tool which can assist users in achieving optimal designs.

Opera Optimizer
Configuration files
- / -
Opera Optimizer Settings related extensions:
Cubase VST Preset File
WinPCD T2 Configuration
Visual Navigation Suite Export Settings
Visual Navigation Suite Exported Settings
Web Capacity Analysis Tool Settings
Minecraft Game Rules Data

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

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

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

opb, pn, opj, opg, ipn, ppn, opm, oph, oln, kpn, op, lpn

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

OpenG Package File
Powernoodle File
Origin Project
Cadence OrCAD Project
OmniPage Job Data
Gurobi Optimizer Pseudo-boolean Optimization Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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