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 2016 or later.

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 and custom …

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 with Apple …

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 practices.

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 about …

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 JSON.

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 with …