Apache Poi Jar [better] -

The library is modular, with different JAR files (components) targeting specific Microsoft Office formats:

Components for PowerPoint presentations ( .ppt and .pptx ). 2. How to Download and Install apache poi jar

An extension of XSSF designed for handling extremely large Excel files with low memory consumption. HWPF/XWPF: Components for Word documents ( .doc and .docx ). The library is modular, with different JAR files

The is a collection of Java libraries developed by the Apache Software Foundation that allows developers to programmatically read, create, and modify Microsoft Office documents. It is the industry standard for handling Excel, Word, and PowerPoint files within Java applications, widely used in everything from enterprise reporting to Data-Driven Testing in Selenium . 1. Key Components and Capabilities The library is modular