Opening an NWB File

The NWB file type is primarily associated with HDFView.

NWBFile Extension NWB
File extension: NWB
File type:  scientific data file

What is an NWB file?

NWB files mostly belong to HDFView. Neurodata Without Borders (NWB) files store neuroscience research data using the HDF5 format.
They hold neural recordings, experiment details, and metadata in a single container that organizes complex datasets efficiently.
These files are used for sharing and archiving neuroscience experiments.
  • Data Organization: Combines raw data and metadata in one file.
  • Scientific Use: Standardized format for neural data and experimental parameters.
  • Extensible Storage: Supports large and varied data types common in neuroscience.
  • FilExt.com note: To open and view NWB files, you can use tools like HDFView or libraries such as PyNWB in Python.

    How to open an NWB file

    You need a suitable software like HDFView to open an NWB file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your NWB file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a NWB file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online NWB Text Viewer

    Choose your .nwb file to analyze

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    Programs that open and convert NWB files:

    1. HDFView
      See the previous paragraphs to learn more about the main application. NWB files are often referred to as HDFView data files because this type of file is primarily created or used by this software.
    2. Nikon Capture (White Balance File) by Nikon Inc.
      Nikon Capture allows you to make fundamental and subtle adjustments to your Nikon Electronic Format (NEF) files-without compromising the original file's integrity. Program ID is NikonCapture.WhiteBalace

    Technical Data for NWB File Extension

    File classification:
    Data
    Program ID:
    NikonCapture.WhiteBalace
    Related files:

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: NikonCapture.WhiteBalace
    EXEFile: %ProgramFiles%\Nikon\NCapture4\NCapture.exe

    ProgramID: Nikon.CaptureNX.set
    EXEFile: %ProgramFiles%\Nikon\Capture NX\Capture NX.exe


    an nwb scientific data file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with NWB files

    • Associate the NWB file extension with the correct application.
    • Update your software that should actually open scientific data files. Because only the current version supports the latest NWB file format. Search, therefore, e.g. on the manufacturer website after an available HDFView update.
    • To make sure that your NWB file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .NWB file online - secure, fast, and no downloads needed.
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    NWB file viewer NWB file description