Opening PK Files

The PK file type is primarily associated with 7-Zip.

PKFile Extension PK
File extension: PK
File type:  archive

What is a PK file?

PK files mostly belong to 7-Zip. The PK file extension is not tied to one single format.
For example, many PK files work as compressed archives using ZIP or PKZIP methods.
  • They can hold text documents or graphics, often managed by programs like Pages or 7-Zip.
  • Other PK files are used for audio purposes, serving as container files for audio or video data in software such as Pro Tools and Audition.
  • This means the file may play sound or video when opened with the right tool.
  • There are also PK files that store serialized data produced by Python's pickle module. You can read more about this at the Python Pickle Documentation.
  • These files contain saved Python objects like lists or dictionaries.
  • In the gaming world, PK files may be used as save files or containers for game assets. Tools such as PKHeX and the Unity Asset Bundle Extractor work with these files (Unity Asset Bundles).
  • This use is common for storing player progress and game resources.
  • Finally, a few PK files serve security roles by holding private keys or certificates for applications like OpenSSH (OpenSSH).
    FilExt.com tip: Knowing the source of your PK file is key. Use a universal tool like 7-Zip to check if it is an archive, or use the appropriate program (Python, game editor, or OpenSSH) based on its content.

    How do you open PK files?

    You need a suitable software like 7-Zip to open a PK 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 PK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PK file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online PK Text Viewer

    Choose your .pk file to analyze

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    Programs that open and convert PK files:

    1. 7-Zip
      See the previous paragraphs to learn more about the main application. PK files are often referred to as 7-Zip compresseds because this type of file is primarily created or used by this software.
    2. Audition (Graphical Waveform) by Adobe Systems Incorporated
      Adobe Systems Incorporated acquired the technology assets of Syntrillium Software in May 2003. On August 18th, 2003 Adobe released a rebranded version of Cool Edit Pro 2.1 as Adobe Audition software. Audition/Cool Edit creates .PK files which are known as Peak Files. Peak files store data associated with the graphical representation of audio data (i.e., Waveform diagram). Audition/Cool Edit has the option to disable the creation of these files, however this may slow loading, saving and re-drawing of graphical data. These files can safely be deleted and will not effect the original audio data in any way.
    3. LaTeX Compressed Font
    4. TeX DVI Driver Packed Bitmap Font
    5. Text

    PK file format:

    If you can determine the file format, the associated program can also be determined. The file format can be deduced from the file extension and the signature. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. In the following you will find our evaluation of the PK files:

    The PK extension is very commonly used. This PK file itself is among the most popular common file types and includes a lot of different file formats for different programs. The file formats most commonly found in PK files are:

    The remaining 65% of all PK files are different files with different signatures, the following 14 formats can be found: Ogg, KEY, zlib, GRX, OvalCharmID, fPK and UnityRaw. Tagged as text, musics, train, head, masterkey, keybot, parts, voice or hash. Just click the "Choose your .pk file to analyze" button on this page to find out what your PK file is.

    Technical Data for PK File Extension

    File classification:
    Compressed
    Related files:
    pkl, ogg, asset, key, pk8, pkpass, comp, pki, busan201, zip, script_kiddie, txt, kklgsp, pk1, file_3, value, png, pk4, file1, pk_, youareoneofthem99, matrioska, dat, jpg, ses, xfm, imp, sav, rar, 7z

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: Adobe Audition PK
    EXEFile: %ProgramFiles%\Adobe\Audition 1.0\Audition.exe

    ProgramID: GSAPak.Document
    EXEFile: %ProgramFiles%\GameSpy Arcade\GSAPak.exe %1

    ProgramID: GSAPak.Document
    EXEFile: %ProgramFiles%\GAMESP~1\GSAPak.exe %1

    ProgramID: Adobe Audition PK
    EXEFile: %ProgramFiles%\Adobe\Audition 1.5\Audition.exe

    ProgramID: AUD20.Adobe Audition PK
    EXEFile: %ProgramFiles%\Adobe\Adobe Audition 2.0\Audition.exe


    a pk archive is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with PK files

    • Associate the PK file extension with the correct application.
    • Update your software that should actually open archives. Because only the current version supports the latest PK file format. Search, therefore, e.g. on the manufacturer website after an available 7-Zip update.
    • To make sure that your PK file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .PK file online - secure, fast, and no downloads needed.
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