.PDF File Extension

Adobe Systems
File Type:
Portable Document Format File

Having trouble opening .pdf extension? Don't panic! This page explains what pdf files are as well as suggests programs you may use to open pdf files. You can download these programs through this page.

What is a PDF file?

Pdf file extension has Portable Document Format file type, developed by Adobe Systems, which is associated with the "page layout files" category.

Multi-platform document is commonly created using such PDF applications as Adobe Acrobat. The file typically stores documents, pictures, annotations, etc., in a standard format, which is possible to view on different platforms.

Users can easily edit PDF files through Adobe Acrobat. They may be viewed via Adobe Acrobat Reader or an Adobe Acrobat Reader plug-in. The plugin is provided by multiple web browsers. However, some browsers, including Google Chrome, allow viewing PDF files even without the Adobe Reader plug-in.

To learn how you can open the given file, read the information below.

pdf file icon
Adobe Systems
File Type:
Portable Document Format File
Page Layout Files

How to open PDF file?

Double click the pdf file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .pdf extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the pdf extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the pdf file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open PDF files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the pdf file as well. Download Universal File Viewer for your OS.

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