A daily updated filename extension database!
Search Box

PDF file: How can I open a .PDF file?

The table below provides useful information about the .pdf file extension. It answers questions such as:

We hope you find this page helpful and a valuable resource.

✅ Portable Document Format Document

Portable Document Format Document .pdf file icon
The PDF file is a Portable Document Format Document. Portable Document Format (PDF) is a proprietary file format developed by Adobe Systems for representing two dimensional documents in a device independent and resolution independent format.
Category: Document files
Application: Adobe Acrobat Reader
Mime-type: application/pdf
Magic number: -
Magic string: -
Sample: -
PDF aliases:
PDF related links:
PDF related extensions:
Adobe Illustrator Drawing

ClarisWorks Document

Data Interchange Format

Microsoft Word Document

Encapsulated PostScript Image

Envoy Document

✅ ArcInfo Preferences Definition Data

ArcInfo Preferences Definition Data .pdf file icon
The PDF file is an ArcInfo Preferences Definition Data. ArcInfo is a complete and extensible geographic information system.
The PDF format description is not yet available
Application: ESRI ArcInfo
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PDF aliases:
PDF related links:
PDF related extensions:
ArcInfo Binary Coverage

ArcInfo Band Interleaved by Line Image

ArcInfo Band Interleaved by Line Image

ArcInfo Band Sequential Image

ArcInfo ASCII Export

Geography Markup Language Document

⚠ Be careful with .pdf files.

It's important to know that the .pdf file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .pdf files. Be cautious when dealing with .pdf files from unknown sources.

🔄 .pdf converters

The following softwares are capable of converting .pdf files to other formats:

XnView, IrfanView, Calibre

For example, using the softwares above, a .pdf file can be converted into one of the following formats:

emz, wmz, rsrc, lbm, emf, jpe, syj, atk, dxf, fxd, wzl, pax, ps1, mng, j2k

🚫 The .pdf file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

df, dpf, ldf, odf, pcf, pd, pdb, pdc, pdd, pde, pdg, pdr, pdt, pdv, pef

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PowerDesk Encrypted File

Calyx Point Point Data

PageVault/PageRecall File

StuffIt Private File

Print Designer GOLD Data

FlexiSIGN 5 Plotter Document

🔴 Can't open a .pdf file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Select an app to open this .pdf file

It means that the operating system does not have a default app associated with the .pdf file type. To resolve this issue and open the file, you can take the following steps:

If you don't know how to change the default app for the .pdf file, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .pdf file extension, write to us.

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文