Tag: Backend Data Processing

How to Read and Write Excel Files in Node.js with the SheetJS (xlsx) Library

Jun 24, 2025

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by

Himanshu

in Excel Training

To read and write Excel files in Node.js, the most popular library is xlsx (from the SheetJS project). It supports .xlsx, .xls, and .csv formats and is easy to use. ✅ Step-by-Step Guide to Read & Write Excel Files in Node.js 📦 Step 1: Install the xlsx Package Run the following command: 📘 Example: Writing…