Opening a PFK File

The PFK file type is primarily associated with XTree Programmable Function Keys.

PFK	File extension: PFK
	File type:	XTree Programmable Function Keys files

What is a PFK file

PFK files mostly belong to XTree Programmable Function Keys. Use our "Online PFK Text Viewer" below to analyze your PFK file and to see all text it contains.

How to open PFK files

You need a suitable software like XTree Programmable Function Keys to open a PFK file. You need a suitable software like XTree Programmable Function Keys to open a PFK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PFK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PFK file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PFK Text Viewer

Choose your .pfk file to analyze

or drag and drop it here

Online File Viewer

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.PFK File Won't Open? Here is What You Can Do

Because .PFK files can originate from various programs, they aren't universally openable.

Identify the Source: If received from a legacy DOS administrator, it may be an XTree Programmable Function Keys file. From a CAD workflow, it might be a Pro/ENGINEER configuration.
Check the Header: Open the file in a text editor or hex viewer to inspect the first bytes:
- Plain text suggests a legacy XTree macro.
- "PK" indicates a standard ZIP archive.
- Readable XML/JSON implies a modern settings file.
Use the Original Software: The original program is usually required; try XTreeGold, PTC Creo, or ask the sender if uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for PFK File Extension

Related files:

pkf, pfx

a pfk XTree Programmable Function Keys file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with PFK files

Associate the PFK file extension with the correct application.
Update your software that should actually open XTree Programmable Function Keys files. Because only the current version supports the latest PFK file format. Search, therefore, e.g. on the manufacturer website after an available XTree Programmable Function Keys update.
To make sure that your PFK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .PFK file online - secure, fast, and no downloads needed.