I have some data in an Excel sheet that represents a hierarchy. As the tree is large and reviewing the data is becoming quite a task, I am trying to generate a pictorial representation of the tree. Excel doesn't seem to have built-in support for tree generation. What would be the best way to generate the tree from within Excel? Are there add-ons available?

Suggestions related to tree generation using other tools would also be welcome. (I have already tried the org chart option in Visio. For some reason, it could not open my Excel file.)

excel graph tree charts
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