Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.IPYNB
File Type
Jupyter Notebook
Category
Programming
Best first step
Use compatible software
Quick Summary
A practical overview of the .ipynb file format
The IPYNB file extension stands for Interactive Python Notebook, which is the standard format used by the Jupyter Notebook application and its predecessor, IPython. These files are essentially JSON-formatted documents that contain a complete record of an entire user session, including executable co…
File extension
.IPYNB
File type
Jupyter Notebook
Category
Programming
Recommended action
Open with a trusted compatible app
How to open a .ipynb file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .ipynb.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .ipynb file?
File extension details and usage information
The IPYNB file extension stands for Interactive Python Notebook, which is the standard format used by the Jupyter Notebook application and its predecessor, IPython. These files are essentially JSON-formatted documents that contain a complete record of an entire user session, including executable code, narrative text, mathematical equations, and rich media output such as charts, graphs, and tables. Originally designed for Python, the format has evolved to support dozens of other programming languages including R, Julia, and Scala through the Jupyter ecosystem. Each file is organized into a series of cells, which can be either code cells for live execution or Markdown cells for documentation and explanation. This format is exceptionally popular in the fields of data science, machine learning, and academic research because it facilitates reproducible workflows where the logic, the execution, and the resulting data visualizations are stored together in a single, shareable document. Because they are text-based JSON files, they can be tracked using version control systems like Git, though the inclusion of large binary outputs can sometimes make version comparisons complex.
Software Compatibility
Programs that may open or work with .ipynb files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .ipynb files be converted?
Options for saving or exporting this file to another format
In many cases, a .ipynb file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .ipynb file.
Why can't I open a .ipynb file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .ipynb format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .ipynb files
To open a .ipynb file, use software that supports this file format.
- JupyterLab
- Visual Studio Code
- PyCharm
- Anaconda Navigator
- Google Colab (Web)
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .ipynb file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.