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  1. Download Adobe Acrobat Reader: Free PDF viewer

    Download free Adobe Acrobat Reader software for your Windows, Mac OS and Android devices to view, print, and comment on PDF documents.

  2. PDF - Wikipedia

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner …

  3. What Is a PDF File (and How Do I Open One)? - How-To Geek

    Dec 5, 2023 · PDF stands for Portable Document Format. The PDF format was created by Adobe in the 1990s. What is a PDF File? PDFs were created with two major needs in mind.

  4. What Is a PDF File? (And How to Open One) - Lifewire

    Oct 2, 2024 · What Is a PDF File? Developed by Adobe, a file with the .PDF file extension is a Portable Document Format file. PDF files can contain not only images and text, but also …

  5. Basic Computer Skills: What is a PDF File? - GCFGlobal.org

    Wondering what a PDF file is? Review this free lesson to learn what is a PDF file, as well as what you can do to the file itself.

  6. What is a PDF? A quick guide to its benefits & PDF tools - iLovePDF

    Oct 11, 2023 · PDF stands for Portable Document Format. It was created by Adobe’s co-founder Dr. John Warnock in the 1990s to display, send, print, and store documents across different …

  7. How to Open PDF Files: Android, iOS, Windows 10, and Mac - wikiHow

    Oct 23, 2025 · PDF (Portable Document Format) files are widely used to create and share documents, as the PDF will keep formatting intact regardless of the viewer's operating system …

  8. Edit a PDF - Microsoft Support

    Edit a PDF Applies To To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be …

  9. What Is PDF? How to Create, Save As, and Open a PDF File?

    Jul 2, 2024 · PDF, short for Portable Document Format, is a versatile file format created by Adobe that gives people an easy, reliable way to present and exchange documents - regardless of …

  10. PDF | Definition, History, Adobe Inc., & Facts | Britannica

    Dec 11, 2025 · PDF (portable document format) is a universally readable format for electronic documents. PDF files are widely used because documents converted into PDFs retain all their …