Open PDF File

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Articles

Open Files in PDF Format - Learn which operating systems support PDF and what software you can use to open them.
Open PDF Files - Quick introduction to PDF files and ways to open them.
How to Switch PDF File Viewer - Learn how to change default PDF reader on your Mac OS or Windows operating systems.
Format PDF Files - Overview of history and some basic details of PDF file format.
PDF Tools - Important PDF tools for processing PDF files.
Related File Types
PS File - Postscript file.
OOXML File - Office Open XML file.
ODT File - Open Document file.
DjVu File - Open Document file.
PDF File - PDF file.
Related File Types
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PDF Quick Info
Portable Document Format
MIME Types
  • application/pdf
  • application/x-pdf
  • text/x-pdf
Identifying Characters
Hex: 25 50 44 46 2D 31 2E 
ASCII: %PDF-1.
PDF File Opens with
  • Acrobat Reader
  • Sumatra PDF
  • Foxit Reader