Opening a CYO File

The CYO file type is primarily associated with Clustify.

CYO	File extension: CYO
	File type:	Output File Containing Cluster ID

What is a CYO file?

CYO files mostly belong to Clustify by Hot Neuron LLC. Clustify groups your documents into clusters, identifying documents that are similar to each other. This is done without preconceptions about keywords or taxonomies -- the software analyzes the text and identifies the structure that arises naturally. It does this by assigning the same Cluster ID number to documents that belong together.

How to open a CYO file

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

Online CYO Text Viewer

Choose your .cyo file to analyze

or drag and drop it here

Online File Viewer

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

A .CYO file can originate from specialized software and isn't universally openable by standard applications.

Identify the Source: These files often come from e-discovery workflows or data analysts, strongly suggesting they are Clustify Output Files containing cluster IDs.
Check the Header: Open the file in a text editor or hex viewer to inspect the first few bytes:
- Readable text (like CSV or XML) suggests a structured data export.
- "PK" indicates a standard ZIP archive.
- Unreadable binary data means it requires specialized software.
Use the Original Software: You will likely need the original program to view it properly. Try opening it with Hot Neuron Clustify, or ask the sender for the required application.
Use this Webpage: Drag and drop your .CYO file into our viewer above to detect its format, extract readable text, and preview the contents.

Technical Data for CYO File Extension

Identifier:

Hex: 23 20 43 59 4F, ASCII: # CYO (provided by TrID database)

Related files:

cys, cyi, out

a cyo Output File Containing Cluster ID is a special file format by Hot Neuron LLC. and should only be edited and saved with the appropriate software.

How to solve problems with CYO files

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