Open 89u file
Did your computer fail to open 89u file? We explain what 89u files are and recommend software that we know can open your 89u files.
What is 89u file?
Files with 89u suffix are firmware (system) upgrade files for TI-89 graphic calculator from Texas Instruments.
89u file description
File extension 89u appears to be related to special firmware update files for TI-89 graphics calculators from Texas Instruments. Most likely loaded through TI Connect or other management tool for TI calculators.