Files with cr3 extension can be found as regist files created using Casio WK-1800 Keyboard.

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CR3 file extension - Casio WK-1800 Keyboard registration file

What is cr3 file? How to open cr3 files?

File type specification:

Various data file type icon Various data file type

The cr3 file extension is mainly related to an registration format recorded using the Casio WK-1800 Keyboard.

It was a type of 76-key portable keyboard with Floppy Disk Drive for song play and storage released around 2003.

These *.cr3 files contain registration data, 20 setups (5 setups x 4 banks)

This cr3 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 CR3 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 CR3:

There is no way how to transform *.cr3 files to other file formats.

Related links:

Casio WK-1800 website

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