Opening a KCO File

The KCO file type is primarily associated with Kwalitan.

KCO	File extension: KCO
	File type:	Codes

What is a KCO file?

KCO files mostly belong to Kwalitan by Vincent Peters, Department of Research Methodology, University of Nijmegen, The Netherlands. Kwalitan is a program that supports the researcher in doing qualitative data analysis. It takes care of efficient data storage and offers features to analyse the qualitative material, like coding, retrieving, categorisation of codes, overviews of codes or words in the text, keywords in context and writing memos. With the help of Kwalitan you can analyse text, pictures, audio fragments and video fragments.

How to open a KCO file

You need a suitable software like Kwalitan to open a KCO file. You need a suitable software like Kwalitan from Vincent Peters, Department of Research Methodology, University of Nijmegen, The Netherlands to open a KCO 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 KCO file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a KCO file directly in the browser:. Just drag the file onto this browser window and drop it.

Online KCO Text Viewer

Choose your .kco file to analyze

or drag and drop it here

Online File Viewer

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

KCO files can originate from different programs and aren't universally openable.

1. Identify the Source: If received from a qualitative researcher, it likely contains Kwalitan coding data. Otherwise, it may be a proprietary system file.
2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
   • Plain text or XML suggests a readable data file.
   • "PK" indicates a standard ZIP archive.
   • Unreadable symbols imply a compiled binary format.
3. Use the Original Software: The original program is usually required to open it properly; try Kwalitan, or ask the sender what software they used.
4. Use this Webpage: Drag and drop your file here to automatically detect its format, extract readable text or metadata, and preview the contents when possible.