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howtogeek.com
https://www.howtogeek.com/360744/what-is-a-pdf-fil…
What Is a PDF File (and How Do I Open One)? - How-To Geek
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.
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wikipedia.org
https://en.wikipedia.org/wiki/PDF
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 independent of application software, hardware, and operating systems. [2][3] Based on the PostScript language, each PDF file encapsulates a complete description of a fixed ...
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adobe.com
https://www.adobe.com/acrobat/about-adobe-pdf.html
What is a PDF? Portable Document Format | Adobe Acrobat
PDF is an abbreviation that stands for Portable Document Format. It's a versatile file format created by Adobe that gives people an easy, reliable way to present and exchange documents — regardless of the software, hardware, or operating systems being used by anyone who views them.
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gcfglobal.org
https://edu.gcfglobal.org/en/basic-computer-skills…
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.
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lifewire.com
https://www.lifewire.com/pdf-file-2622916
What Is a PDF File? (And How to Open One) - Lifewire
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 interactive buttons, hyperlinks, embedded fonts, video, and more.
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ilovepdf.com
https://www.ilovepdf.com/blog/what-is-a-pdf-file
What is a PDF file? - iLovePDF
What is a PDF file? 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 software, hardware, and operating systems.
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practical-tips.com
https://www.practical-tips.com/ms-office/pdf-what-…
PDF – what is it? Explained simply and clearly - Practical Tips
PDF is the abbreviation for “Portable Document Format.” Adobe System developed the format as a platform-independent file format. PDF documents can be opened on all computers. That is why PDF has established itself as a standard among file formats. A PDF document can consist of text and images.