.NB File Extension
Mathematica Notebook
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What is an NB file?
An NB file is a structured document created by Wolfram Research Mathematica, an application used for mathematical and scientific computation. It contains the elements that comprise a document, which may include text, images, audio, hyperlinks, functions, and interactive user interface elements in plain text in the Wolfram Language expression syntax. Users typically open NB files with Wolfram Research Mathematica and the free Wolfram Research CDF Player.
More Information
The NB file type is the native file format for saving Mathematica notebooks. Wolfram Research released the Mathematica Notebook (NB) format in 1988.
You can design notebooks by arranging their cells, which store data, similar to a standard spreadsheet. Additionally, you can format text, add graphics, generate graphs, and more to the cells in the notebooks to make them interactive.
Common NB Filenames
DefaultStyles.nb - Name of the NB file used as the default style sheet for new notebooks.
How to open an NB file
You can open NB files with Wolfram Research Mathematica. To open an NB file, select (you can also open Notebooks within a Mathematica function via the NotebookOpen command). Wolfram Player is a free app that can also open NB files.
Since NB files store notebook information in plain text, you can view them with a text editor, such as Microsoft Notepad in Windows, Apple TextEdit in macOS, or gedit in Linux. However, opening NB files with a plain text editor will not display them the same as Mathematica or Wolfram Player, which displays them natively.