Files with 86e file extension might be found on old TI-82 graphic calculators from Texas Instruments.
86E file extension - Texas Instruments TI-86 data
What is 86e file? How to open 86e files?
File type specification:
The 86e file extension is related to Texas Instruments TI-82 graphic calculator introduced in 1993.
The 86e files were used in the device.
Most likely some old format without support. No further information could be found.
This 86e 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.