Opening a CNB File

The CNB file type is primarily associated with Compass Tools.

CNB	File extension: CNB
	File type:	data file

What is a CNB file

CNB files mostly belong to Compass Tools. CNB files are Compass Collected Data Files used by the Compass Data Collector system. They store raw measurement and sensor data in a proprietary binary structure. This format is optimized for logging data during field collection and later analysis.

Data storage: Contains sensor readings and collection metadata.

Usage: Employed within the Compass Data Collector framework.

Access: Should be opened with dedicated software like Compass Tools to view and process the data.

FilExt.com note: For more details, visit the Compass Tools website to learn about supported operations and conversion options. Using the correct application helps to maintain data integrity because the file’s structure is not published for general use.

How can I open a CNB file?

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

Online CNB Text Viewer

Choose your .cnb file to analyze

or drag and drop it here

Online File Viewer

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CNB file format:

A file format defines how the data in the file is structured. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the CNB files looks like this:

The CNB file extension is rather rarely used and is used by different programs with different formats. The two most popular formats are as follows:

• 50% of all CNB files use the same file format, which can be identified by the letters "COMPASS COLLECTED DATA FILE ver 5" at the beginning. If you open these files in a text editor, you will see only illegible characters. A typical file size is 6 MB. The file type was created recently. The keywords AntHigh, COMPASS COLLECTED DATA FILE, Date, ReceiverID, MarkerName, ver 55.0 and Model are typical for these files. The following filename is common: 20180601.cnb. Such files sometimes refer to statik.
• 4% of all CNB files internally utilize the JSON file format. JSON (JavaScript Object Notation) is a lightweight data−interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. The contents of these files are easily readable with a text editor. The files are 13 KB to 130 KB in size, with a median of 51 KB. The following keywords are characteristic: cell_origin, cell_type, cells and client.

The remaining 46% of all CNB files are different files with different signatures. They are often associated with airf, segment or debugconfig. If you want to find out which format your CNB file belongs to, just click on the button "Choose your .cnb file to analyze".