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Fishbone Diagram Template

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The Fishbone Diagram template identifies the root causes of the issue under specified categories. Do a brainstorming and add the “bones” in Excel!

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A Fishbone Diagram or in other words Ishikawa Diagram is founded by Kaoru Ishikawa who is a Japanese quality control expert.  This fishbone template is also known as the Cause and Effect diagram because of its main purpose. You can use this diagram to identify all the potential causes of a certain issue or event.


It is a graphical way to find direct or indirect root causes of a certain problem. You can categorize them to get effective and clear solutions. Thus, you can brainstorm about the reasons for the issue with your team members. Do not forget to encourage them to share their thoughts about the factors that contribute to occur a problem.

Fishbone Diagram Template Features

Our template allows you to list 10 different main causes in each of the 6 categories.

You can rename the existing category titles according to your needs and the type of issue is the diagram used for. Additionally, if that is not enough, you can also add up to 3 indirect issues to Cause A, Cause B, and Cause C sections which are related to each identified main cause.


Why we should use a Fishbone Diagram?

When you focused too much on the problem itself, you may not see the exact root causes. But, you should reveal the minor issues first to get the big picture. This fishbone diagram can help you to catch all of the reasons, how, and when it occurs.

If you would like to get effective solutions by creating this diagram, please try to involve all of the teammates or colleagues. Please make sure your team agrees with you about the exact definition of the problem first. After that, you should correctly identify the categories or areas the main issue is involved in. Now, you can let them list the points they experienced about the issue separately per each category.

While creating a list, all of you should ask some questions to find the exact reason. The best question is “why?” to reach the root cause of the problem.


After collecting the list from each of the teammates, you should check if all the list goes to the correct categories.

Each root cause will be the “bones” of the fish. By adding new bones, you will create the whole fish at the end.

After you identify and fill up all the problems, now you can click on the buttons above to see the whole diagram. The basic chart demonstrates only the main causes in each category. It is much more clear and compact. But, the extended chart also contains the indirect causes you have previously written.

You can choose the one that suits you better. Both diagrams are printable and easy to use!

Fishbone Diagram Features Summary:

  • Do some brainstormings and find the root causes
  • Create a cause and effect fishbone analysis
  • Full Print Ready
  • Informational notes included
  • No installation needed. Ready to use.
  • Works both on Mac and Windows
  • Does not include VBA code or Macros
  • Compatible with Excel 2007 and later versions

This Fishbone Diagram is a ready-to-use Excel Template and provided as-is. If you need customization on your reports or need more complex templates, please refer to our custom services.



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