What is the Full form of PDF? So the word PDF stands for Portable Document Format . P – Portable D – Document F – Format PDF full form PDF is established by the company named Adobe in 1993. As you know Adobe is a multinational IT company. Which works to develop hardware and software. PDF Full Form PDF is portable and every operating system can deal with it in a similar way. You can read PDF in any type of operating system like Windows, Linux, ubuntu, android, and so on. Read Also: What Is A Computer And Its Features? The extension of the PDF for the file is .pdf. Any PDF reader application or software If you want to read a PDF file, your first need is a PDF reader. There are many PDF reader applications and software are available on the internet. A billion people use PDF for many reasons. Some of those use for business purposes and some of those use for education purposes. Types of PDF files There are three main types of PDF file as follows – 1. Digitally made PDF – Suppose