Files with _pdf extension are related to the Adobe Portable Document Format, that is used to represent document of application software and platforms.

Detailed description

Software that open _pdf file

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_PDF file extension - Adobe Portable Document Format

What is _pdf file? How to open _pdf files?

File type specification:

Document file type icon Document file type

File extension _pdf is associated with the PDF (Portable Document Format) developed by Adobe in 1993.

Portable Document Format is used to represent document independent of application software, operating systems and hardware.

PDF file stores complete description of document layout, texts, fonts, graphics used to visualize document.

The default file extension of Adobe Portable Document Format is pdf. However, sometimes is PDF document representing by extension _pdf, created for example by any e-mail client, or antivirus software due security reasons.

If your PDF viewer doesn't support opening _pdf files, simply rename _pdf to pdf extension and PDF document will be viewable in it.

MIME types:

Updated: April 19, 2022

The default software associated to open _pdf file:

Adobe Acrobat icon

Adobe Systems Incorporated logoAdobe Acrobat  Microsoft Windows software

Company or developer:
Adobe Systems Incorporated

Adobe Acrobat is fully featured document solution that works with PDF format and is able of both opening and editing of existing PDF documents, or creating new ones from scratch. Acrobat DC is the last version after Acrobat XI. You can purchase it as standalone desktop software. 

Adobe Acrobat Reader icon

Adobe Systems Incorporated logoAdobe Acrobat Reader  Microsoft Windows software

Company or developer:
Adobe Systems Incorporated

Adobe Acrobat Reader DC (formerly Adobe Acrobat Reader or Reader X) is a PDF documents viewer-only software from Adobe.

Adobe Acrobat for Mac icon

Adobe Systems Incorporated logoAdobe Acrobat for Mac  Apple macOS / Mac OS X software

Company or developer:
Adobe Systems Incorporated

Much like its Windows counterpart, the Mac version of Adobe Acrobat is software used view, create, manipulate, print and manage files in PDF document file format. Acrobat is available in three editions - Acrobat XI Pro, Acrobat XI Standard and Acrobat XI Suite as well as part of Creative Cloud.

Adobe Acrobat Reader for Mac icon

Adobe Systems Incorporated logoAdobe Acrobat Reader for Mac  Apple macOS / Mac OS X software

Company or developer:
Adobe Systems Incorporated

Adobe Acrobat Reader DC for Mac software is the free global standard for reliably viewing, printing, and commenting on PDF documents.

Help how to open:

Use Adobe Acrobat, or Acrobat Reader to view content of *._pdf files.

PDF is a very common document format and thus is supported by various productivity software.

How to convert:

PDF files can be converted to other graphics, or text file formats, but there are some limitations based on content, or security permissions in the PDF and features of application that you use to convert PDF documents into another file format.

Various programs are able to export their documents to PDF.

You can also create PDF documentes from any software that can print by using any virtual PDF printer software available on Internet.

Find conversions from _pdf file:

_pdf to pdf

List of software applications associated to the ._pdf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open _pdf file, edit _pdf file, convert _pdf file, view _pdf file, play _pdf file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting _pdf files.

Software that open _pdf file - Adobe Portable Document Format

Programs supporting the exension _pdf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open _pdf file action.

Microsoft Windows:

Main software associated with _pdf file by default:
Adobe Acrobat small icon Adobe Acrobat
Other suggested software:
PDF Architect small icon PDF Architect

Apple macOS / Mac OS X:

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