Generate Formatted Excel Spreadsheets in n8n

📰 Dev.to · Iteration Layer

Generate formatted Excel spreadsheets in n8n using a custom solution, as n8n lacks native support for generating XLSX files.

intermediate Published 30 Apr 2026
Action Steps
  1. Install the ExcelJS library in your n8n workflow using a Function node
  2. Use the ExcelJS library to create a new XLSX file and add formatted headers, currency columns, and formulas
  3. Add multiple sheets to the XLSX file using the ExcelJS library
  4. Use the File node to save the generated XLSX file
  5. Test the workflow to ensure the generated XLSX file is correct and formatted as expected
Who Needs to Know This

This solution benefits developers and automation specialists who use n8n for workflow automation and need to generate formatted Excel spreadsheets as part of their workflows.

Key Insight

💡 n8n lacks native support for generating formatted Excel spreadsheets, but using ExcelJS in a Function node provides a custom solution.

Share This
📊 Generate formatted Excel spreadsheets in n8n using ExcelJS! 🚀 No more workarounds or native limitations. #n8n #ExcelJS #workflowautomation

Key Takeaways

Generate formatted Excel spreadsheets in n8n using a custom solution, as n8n lacks native support for generating XLSX files.

Full Article

Title: Generate Formatted Excel Spreadsheets in n8n

URL Source: https://dev.to/iterationlayer/generate-formatted-excel-spreadsheets-in-n8n-346e

Published Time: 2026-04-30T00:23:32Z

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# Generate Formatted Excel Spreadsheets in n8n - DEV Community
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Posted on Apr 30 • Originally published at [iterationlayer.com](https://iterationlayer.com/blog/generate-excel-spreadsheets-n8n)

# Generate Formatted Excel Spreadsheets in n8n

[#api](https://dev.to/t/api)[#programming](https://dev.to/t/programming)

## [](https://dev.to/iterationlayer/generate-formatted-excel-spreadsheets-in-n8n-346e#n8n-can-read-spreadsheets-but-cant-generate-them) n8n Can Read Spreadsheets but Can't Generate Them

n8n has solid spreadsheet reading support. The Spreadsheet File node parses XLSX and CSV. The Google Sheets node reads and writes rows. But generating a standalone XLSX file — with formatted headers, currency columns, multiple sheets, and formulas — does not have a native answer.

The workarounds are all painful. You can use a Function node with ExcelJS, but you are writing JavaScript to build a spreadsheet cell by cell.
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