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Details of the .osn file extension

The table below provides useful information about the .osn file extension. It answers questions such as:

  • What is the .osn file?
  • What program do I need to open a .osn file?
  • How can the .osn file be opened, edited or printed?
  • Where can I find the specifications for .osn?
  • Which MIME-type is associated with the .osn extension?
  • How can I convert .osn files to another format?
  • What are other, similar filename extensions to .osn?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.osn file extension details

OMSI Saved Situation

OMSI Saved Situation .osn file icon
OSN file is an OMSI Saved Situation. OMSI: The Omnibus Simulator is a driving game, developed and published by Aerosoft.
OSN format description not yet available
Category: Game Data files
Application: Omnibus Simulator
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
OSN aliases:
OSN related links:
OSN related extensions:
OMSI 3D Data

OMSI Spline Configuration

OMSI Human Configuration File

OMSI Vehicle Configuration File

OMSI Scenery Object File


Other types of files may also use the .osn file extension.

.osn file extension error

The .osn file extension is often given incorrectly!

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

osm, osg, psn, osb, son, lsn, os, isn, osh, sn

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OpenStreetMap Map
OpenSceneGraph Scene
OptionVue Portfolio Manager Positions Data
OpenStreetMap Binary Map
Osu! Beatmap Script
SBStudio II Song
MakeMusic Finale Lesson
ObjectScript Source Code
InstallShield Skin
IBM InfoSphere Schema Data
open .osn file

Can't open a .osn 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .osn file association, check the FAQ.

.osn file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .osn file extension, write to us!

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