PDF File

Did your computer fail to open a PDF file? We explain what they are used for and recommend software that we know can open or otherwise handle your .PDF files.

What is a PDF file?

A .PDF file is an Adobe Portable Document Format file. PDF stands for portable document format. Adobe Systems created this universal document file format in 1993. PDF files can preserve the formats, fonts, drawings, and other file components of virtually any electronic document file and present it in a universal format.

PDF files are cross-platform files, which means they can be read on both Mac and Windows operating systems and mobile phones using Android or iOS. Many of today's eBook publishers use PDF format for publishing. PDF files are also used by businesses and individuals to distribute documents and literature.

How to open PDF files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with extension PDF for different purposes. We have identified 6 PDF openers for Windows that is compatible with this specific type of PDF file.

Programs that open PDF files

We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .PDF files used for?

While Adobe Portable Document Format is a popular type of PDF-file, we know of 5 different uses of the .PDF extension.

The PDF file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a PDF opener may not be able to open all kinds of PDF files. In this case, look through all formats to make sure you find the best suited PDF viewer.

Expressware Printer Definition File

Printer definition file for the MS-DOS database File Express by Expressware. These files contain various printer configuration settings, which enable File Express to print data correctly on different printers.

You usually do not need to edit or view these files, as they only contain information usable by the software program that uses them.

GraphiCode Programmable Device Format

Through our analysis of PDF files, we know that one use of the format is GraphiCode Programmable Device Format. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Novell System PrintDef Device Definition

Through our analysis of PDF files, we know that one use of the format is Novell System PrintDef Device Definition. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

WordStar Printer Description File

Through our analysis of PDF files, we know that one use of the format is WordStar Printer Description File. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!