Opening KNN Files

The KNN file type is primarily associated with Clarion for Windows.

KNN	File extension: KNN
	File type:	Database Key

What is a KNN file

KNN files mostly belong to Clarion for Windows by SoftVelocity. Clarion employs template driven technology to create database-driven applications.

How do you open KNN files?

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

Online KNN Text Viewer

Choose your .knn file to analyze

or drag and drop it here

Online File Viewer

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

Since .KNN files originate from various specialized programs, they aren't universally openable.

Identify the Source: A file from a database developer is likely a Clarion for Windows Database Key. If from a data scientist, it may be a K-Nearest Neighbors model.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable XML/JSON suggests a configuration or model file.
- "PK" indicates a zipped archive.
- Unreadable binary data points to a proprietary database index.
Use the Original Software: The original program is usually required, such as SoftVelocity's Clarion for Windows; if uncertain, ask the sender.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for KNN File Extension

Related files:

tcf, ept, tpe

Related links:

Clarion Magazine, Clarion Information

a knn Database Key is a special file format by SoftVelocity and should only be edited and saved with the appropriate software.

How to solve problems with KNN files

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