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  1. XML - Wikipedia

    It is a textual data format with strong support via Unicode for different human languages. Although the design of XML focuses on documents, the language is widely used for the representation of arbitrary …

  2. XML Tutorial - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  3. What Is An XML File (And How Do I Open One)? - How-To Geek

    Sep 8, 2023 · A file with the .xml file extension is an Extensible Markup Language (XML) file. These are really just plain text files that use custom tags to describe the structure and other features of the …

  4. XML introduction - MDN

    Feb 5, 2025 · XML (Extensible Markup Language) is a markup language similar to HTML, but without predefined tags to use. Instead, you define your own tags designed specifically for your needs. This …

  5. Extensible Markup Language (XML)

    Oct 11, 2016 · Extensible Markup Language (XML) is a simple, very flexible text format derived from SGML (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, …

  6. What is XML? Complete Guide for Beginners 2025 - Codecademy

    Aug 28, 2024 · Learn what is XML, how it works, and why it's essential for data storage and transfer. Complete beginner's guide with examples and practical applications.

  7. What is XML - GeeksforGeeks

    Mar 19, 2024 · Extensible Markup Language (XML) is a type of markup language that establishes a set of guidelines for encoding texts in a way that is both machine- and human-readable. For storing and …

  8. What is an XML file? A Beginner's Guide

    What is an .XML file? An XML file is a file that uses the Extensible Markup Language (XML) to store and transport data. XML is a markup language, which means that it uses tags to define the structure of …

  9. What Is XML: A Comprehensive Guide - blog.fileformat.com

    Mar 25, 2025 · XML (Extensible Markup Language) is a markup language and file format used for storing, transmitting, and reconstructing data. It provides a structured approach to encoding …

  10. XML files: What they are & how to open them - HubSpot Blog

    Oct 20, 2025 · What is an XML File? An XML file is just text with .xml at the end. It’s plain text underneath, but the real magic? Those custom tags. They don’t just organize the document — they …