Files with 89K extension can be found as part of the TI-89 graphics calculator device system files.

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89K file - TI-89 application file

What is 89k file? How to open 89k files?

File type specification:

System file type icon System file type

The 89K file extension is mainly related to TI-89 programmable graphics calculator devices from Texas Instruments and used for one of its default file type. These *.89k files contain application data for the device. TI-89 was introduced in late 90s.

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 .89k 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.

Related links:

TI-86 entry at Wikipedia

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