The CNG file extension is related to the National Geographic image file format developed by Priority Software.

There is one other file type using
the CNG file extension!

empty icon.cng - CryptoNG encrypted file

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CNG file extension - National Geographic image file

What is cng file? How to open cng files?

The CNG file extension is associated with some image files encoded by Priority Software applications. It Seems the company is no longer in business and the current usage of this format is unclear.

Help how to open CNG files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension CNG:

As far as we know, this .cng file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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