A .cr4 file extension is related to the STABCAL and used for its data files.

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CR4 file extension - STABCAL data

What is cr4 file? How to open cr4 files?

File type specification:

Various data file type icon Various data file type

The cr4 file extension is associated with the STABCAL (Stability Calculation for Aqueous Systems).

The .cr4 file stores various data used for internal purposes of the STABCAL.

STABCAL seems to be obsolete product.

This cr4 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Help how to open:

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:

As far as we know, this .cr4 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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