May 2, 2023 · This section of the documentation focuses on the Excel JavaScript API, which you'll use to develop the majority of functionality in add-ins that target Excel on the web or Excel …

Excel Workbook Manager. Contribute to exceljs/exceljs development by creating an account on GitHub.

Open your data directly in Excel for the Web with zero installation - A JavaScript library that converts web tables and data into interactive Excel workbooks with Power Query integration …

Office 2016 introduced a JavaScript API for interacting with the application. It offers solutions for custom functions as well as task panes. Excel currently does not provide support for working …

Apr 9, 2025 · Learn how to use Office.js APIs to boost Excel productivity. This step-by-step guide covers custom functions, task panes, event handling, API integration, and Office Add-in best …

May 24, 2025 · Recently, I decided to build something fun and useful: a custom Excel plugin that can pull data from an external API and show it directly in a spreadsheet. If you’ve ever thought …

Mar 21, 2023 · Learn the key object types in the Excel JavaScript APIs and how to use them to build add-ins for Excel.

Oct 20, 2024 · ExcelJS is a powerful JavaScript library used to read, manipulate, and write Excel files. It allows developers to work with Excel data in .xlsx or .csv formats programmatically.

Mar 24, 2025 · ExcelJS is a JavaScript package for managing Excel spreadsheets and workbooks. This guide will help you read, manipulate and write spreadsheet data to XLSX and …

Learn how to perform common tasks with workbooks or application-level features using the Excel JavaScript API. This article provides code samples that show how to perform common tasks …