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What do you understand by PDF File Format?

The PDF (Portable Document File) file format developed by Adobe system. It is used to display documents in an electronic independent of the software, hardware or operating system. It can be used to present documents that included text, images, multimedia elements, web page links etc. PDF has a wide range of features. Portable Document File has a lot more function than just text, it can include images and other documents. PDF can be password protected. These type of file frequently used in legal documents, such as bank statement and tax papers. It is a universal file format for document exchange that preserves all the formatting, colors, fonts of any source documents. The PDF format has changed several times, as new version of Adobe Acrobat were released. This file format should not be used for online presentation. It is often associated with “paperless office” and used for printing & designing. PDF file format has an impressive number of capabilities. The PDF (Portable Document File) standard is to make it easy to share documents between different operating systems & devices while preserving the content and design of those documents. PDF has become an important & critical tool for publishers, HR managers and the classic digital format for any important document. In this article you will get lot of information such as PDF file format concept, how to open pdf file, types of adobe PDF file, ways to fix pdf file error and reasons of corruption etc.

PDF format

How to open PDF File?

  • STEP1: Select the PDF file, Right click the PDF.
  • STEP2: Now, choose Open with option & select default program.
  • STEP3: If default program option not available, then choose Adobe Reader in the list of program.
  • STEP4: Click Ok.

How to open PDF file

Types of Adobe PDF File

  • PDF Formatted Text and Graphics
  • PDF Searchable Image Exact
  • PDF Image Only
  • PDF Searchable Image compact

How Can Protect PDF file?

  • STEP1: Firstly go to the top right in Acrobat. Select the Tool Pane. Open the protection Panel.
  • STEP2: Click on Encrypt Option, and choose to encrypt with password.
  • STEP3: In the Password security settings dialog box, user can add two types of passwords.
  1. The Document open password restricts who may open the document.
  2. The permission password restricts editing & printing.

PDF file format

  • STEP4: Click Ok & confirms the password.
  • STEP5: Save the documents to apply the new security changes.

PDF File Corruption Reasons

  • Due to Virus attack, sometimes other documents virus or malware attack lead to PDF file corruption.
  • Some time user not shutdown properly, while creating PDF file if suddenly system gets shutdown & then opened PDF document will damage.
  • Basically, Most of PDF files are get corrupt due to incorrect process of downloading.
  • Due to the incorrect creation process, PDF file generates error messages when user open PDF file.

PDF file corruption issues

Pros & cons of PDF File Format

  • PDF file can be easily opened on any device with any operating systems in exactly the same form in which it was created.
  • User doesn’t need to pay to use an Adobe Acrobat Reader application, it is totally absolutely free.
  • This file format takes a little space on your hard disk, because it supports a variety of image compression algorithm.
  • User cannot easily edit in PDF file, because they are perceived as a picture.
  • Adobe Acrobat Reader is not free to edit PDF files.
  • This file format is not always fully integrated into web pages.
  • PDF is not supported in Linux & Unix systems.

Why Use PDF file?

PDF file represents a document independently of the hardware, OS, and this application used to create the original PDF file, This file format compatible Across Multiple platforms. PDF file format specially designed to generate transferable documents that can be shared across multiple platforms of computer.

Fix PDF file error

Below some common issue are given, when open a PDF (Portable Document File).

  • File format is unrecognizable.
  • Adobe Reader is out of date.
  • Portable document file were created with non adobe application.
  • Sometime Acrobat application damaged during installation process.
Solution to Fix PDF file error
  • Firstly open an Adobe Reader or acrobat reader, then select help option.
  • Now click on “check for updates” (If any latest update found, so you can update the Adobe Acrobat Reader).
  • Reboot your system.
Alternative solution to fix PDF file error using Control Panel
  • Go to start menu and select control panel.
  • Select Program and features/ Add or remove program option.
  • In the list of programs, choose Adobe Reader.
  • Now select change option and follow the instruction to repair the Adobe reader application.

Note: If your PDF (Portable Document file) damaged, so you can again download the PDF file and then open in Adobe reader. This solution helpful for you to fix PDF file error.


In this article described the Concept of PDF file format (Portable Document File) & also tell us about the way to open PDF file, how can protect PDF file and fix pdf file error. It is a universal file format for Documents. Portable Document File has a lot more function than just text, it can include images and other documents. PDF can be password protected.