A daily updated filename extension database!

Details of the .onb file extension

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

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

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

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

.onb file extension details

OpenModelica Notebook

OpenModelica Notebook .onb file icon
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
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ONB aliases:
ONB related links:
ONB related extensions:

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

.onb file extension error

The .onb file extension is often given incorrectly!

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

obb, pnb, ob, nob, lnb, nb, knb, obn, inb

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Android Opaque Binary Blob File
Pokemon NetBattle Data
ABF Outlook Backup Archive
IBM LinkWay Object
Vampire: The Masquerade Archive
Chart Navigator Pro Navigation Objects Data
PRO Landscape Planner Design Backup
Neuro-Expert Knowledge Base Data
Mathematica Notebook File
Oberon 2 Module Source Code
open .onb file

Can't open a .onb 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 .onb file association, check the FAQ.

.onb 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 .onb file extension, write to us!

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