Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .onb

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

Below, you can find answers to the following questions:

  • What is the .onb file?
  • Which program can create the .onb file?
  • Where can you find a description of the .onb format?
  • What can convert .onb files to a different format?
  • Which MIME-type is associated with the .onb extension?
OpenModelica Notebook .onb file icon

OpenModelica Notebook

The ONB file is an OpenModelica Notebook. OpenModelica is an open-source Modelica-based modeling and simulation environment intended for industrial and academic usage.
Category: Document files
Application: OpenModelica
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .onb file extension. If you have helpful information about .onb extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Delft3D Initial Bed Composition Data
Neuro-Expert Knowledge Base Data
PRO Landscape Planner Design Backup
Mathematica Notebook File
Vampire: The Masquerade Archive
IBM LinkWay Object
Android Opaque Binary Blob File
Oberon 2 Module Source Code
Omnibus Offline Web Storage Data

The .onb filename extension is often given incorrectly!

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

knb (1), onf (1), omb (1), obb (1), nob (1), lnb (1), inb (1), pnb (1), on (1), obn (1), ob (1), nb (1)

Can't open a .onb file?

If you want to open a .onb file on your computer, you just need to have the appropriate program installed. If the .onb association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.onb

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android