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DOC: Add example for making Excel headers bold using Styler #62929

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DOC: Add example for making Excel headers bold using Styler #62929

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DOC: add example for making Excel headers bold using Styler.applymap_…
antznette1 Oct 30, 2025
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Merge branch 'main' into docs/excel-header-bold-styler
antznette1 Nov 1, 2025
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Merge branch 'main' into docs/excel-header-bold-styler
antznette1 Nov 2, 2025
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7 changes: 7 additions & 0 deletions doc/source/user_guide/io.rst
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Expand Up @@ -3760,6 +3760,13 @@ The look and feel of Excel worksheets created from pandas can be modified using
to create styled excel files. For documentation on styling spreadsheets, see
`here <https://pandas.pydata.org/docs/user_guide/style.html#Export-to-Excel>`__.

To make the header row bold when exporting to Excel:

.. code-block:: python

df.style.applymap_index(lambda v: "font-weight: bold;", axis="columns").to_excel("out.xlsx")

For more advanced styling with borders:

.. code-block:: python

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