Opening PKO Files

The PKO file type is primarily associated with PublicKey Security Object.

PKO	File extension: PKO
	File type:	PublicKey Security Object files

What is a PKO file?

PKO files mostly belong to PublicKey Security Object. Use our "Online PKO Text Viewer" below to analyze your PKO file and to see all text it contains.

How can I open a PKO file?

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

Online PKO Text Viewer

Choose your .pko file to analyze

or drag and drop it here

Online File Viewer

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4 Steps to Open an Unknown .PKO File

Because .PKO files can originate from different programs, they aren't universally openable with a single application.

Identify the Source: A .PKO file often comes from IT administrators managing certificates or cryptographic workflows, suggesting it is a PublicKey Security Object.
Check the Header: Open the file in a hex viewer or text editor to inspect its first bytes.
- Readable text like -----BEGIN implies a Base64-encoded security object.
- Binary data may indicate a compiled cryptographic key.
Use the Original Software: The original program is usually required to open it properly; try Microsoft Windows CryptoAPI, Certificate Manager, or ask the sender if uncertain.
Use this Webpage: Drag and drop your .PKO file into our viewer above to detect its format, extract readable text and metadata, and preview its contents.

Technical Data for PKO File Extension

Related files:

jpg, rar, mp4, 264, bps

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: PKOFile, FileType: Public Key Security Object

a pko PublicKey Security Object file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with PKO files

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