An icr file extension is related to the NCSA Telnet Interactive color raster graphic data format.

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

empty icon.icr - Image Comparer result

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ICR file extension - NCSA Telnet Interactive color raster graphic data

What is icr file? How to open icr files?

File type specification:

Bitmap image file type icon Bitmap image file type

The icr file extension is associated with the NCSA Telnet Interactive color raster graphic data format.

NCSA Telnet for the PC (DOS only) and NCSA Telnet for the Macintosh were developed in projects whose funding ended in late 1994 and 1995.

This icr 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 .icr 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.

File identification strings:

HEX code: 1B 5E 57 3B 30 3B 30 3B
ASCII code: .^W;0;0;

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