Opening a 4PK File

The 4PK file type is primarily associated with Perfect Keyboard.

4PK	File extension: 4PK
	File type:	Macro Set

What is a 4PK file?

4PK files mostly belong to Perfect Keyboard by Pitrinec Software. Use our "Online 4PK Text Viewer" below to analyze your 4PK file and to see all text it contains.

How can I open a 4PK file?

You need a suitable software like Perfect Keyboard to open a 4PK file. You need a suitable software like Perfect Keyboard from Pitrinec Software to open a 4PK 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 4PK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a 4PK file directly in the browser:. Just drag the file onto this browser window and drop it.

Online 4PK Text Viewer

Choose your .4pk file to analyze

or drag and drop it here

Online File Viewer

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Can't Open Your .4PK File? Try These Steps

Because .4PK files can come from different programs, they aren't universally openable.

Identify the Source: These files are often macro sets from automation workflows. If received from someone automating typing tasks, it likely belongs to Pitrinec Software's Perfect Keyboard.
Check the Header: Inspect the first bytes in a text editor or hex viewer. You may see:
- The hex signature D0 CF 11 E0 (an OLE compound file).
- Readable script commands or macro text.
Use the Original Software: Opening the file usually requires the original program. Try Perfect Keyboard, or ask the sender what application they used.
Use this Webpage: Drag and drop your file into our viewer above to detect the format, extract readable text, and preview the contents.

Technical Data for 4PK File Extension

Identifier:

Hex: D0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (provided by TrID database)

Related files:

4cm, wpk, action

a 4pk Macro Set is a special file format by Pitrinec Software and should only be edited and saved with the appropriate software.

How to solve problems with 4PK files

Associate the 4PK file extension with the correct application.
Update your software that should actually open macro sets. Because only the current version supports the latest 4PK file format. Search, therefore, e.g. on the Pitrinec Software manufacturer website after an available Perfect Keyboard update.
To make sure that your 4PK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .4PK file online - secure, fast, and no downloads needed.