JNB Opener

File Type

SigmaPlot Workbook


Systat Software Inc.


Spreadsheet Files





How to open JNB file?

JNB File Opener

A JNB Opener is a computer program or application that supports JNB files and can open their contents. If you have the appropriate software installed on your device, opening the JNB file should be done without any problems by double-clicking on the file's icon. After clicking on the JNB file icon, the operating system should open its content with the associated software. Sometimes, however, various problems arise, below you will find the instructions that you should follow.

9 steps to open JNB file

If the user comes across a file named SigmaPlot Workbook, but is unable to open it, the first thing to do is to take the following steps:

  1. Make sure that the operating system where you are trying to open the SigmaPlot Workbook file is supported by it. Files with the JNB extension may not be supported by the operating system you are using.
  2. Check if the SigmaPlot or program is installed in the system. The solution to this problem is to install the appropriate software that supports files with the extension JNB.
  3. Verify that the default application for handling JNB files is one of the following software tools: SigmaPlot, . If this is not the case, the JNB files should be associated with the appropriate application by displaying the properties of the SigmaPlot Workbook file and in the "File type" section, press the "Change" button. The system will display a window with applications to choose from, from which you should select one of the SigmaPlot, programs.
  4. Software programs that open JNB file extension

  5. If SigmaPlot Workbook is a file from the network or some other external source, it may be defective or incomplete. In this case, although one of the SigmaPlot, programs is installed, the SigmaPlot Workbook file cannot be opened. If possible, you can try to open the SigmaPlot Workbook file directly from its source.
  6. The antivirus program can identify the virus with which the SigmaPlot Workbook file has been infected and at the same time blocks the opening of the file. Such a situation should not be underestimated and such a file should be deleted or moved to quarantine, and the entire system should be scanned.
  7. Check that the SigmaPlot Workbook file format is not outdated. Sometimes it happens that despite the JNB extension, such files contain data saved in a way that prevents them from being opened by SigmaPlot or .
  8. To open the SigmaPlot Workbook file, the current version of the program in which we want to open it is required. Check the app for up-to-date information and, if necessary, install the latest version.
  9. Sometimes the user unknowingly tries to open a file with a shortcut that points to a place where the file is no longer there (it may have been previously deleted).
  10. The inability to open the SigmaPlot Workbook file may be due to restrictions imposed on the user by the system administrator.

Useful tools

You've followed the instructions above and still haven't opened your JNB file? In this case, you can use the solutions offered by various websites. At the bottom you will find tools that are dedicated to opening JNB files.


Free Online File Open Service


open JNB file JNB opener JNB open free online


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