The File Extensions Database

.89K File Extension

  • Developer by: Texas Instruments
  • Category: Executable Files
  • Format: Binary

What is an .89K file?

.89K is TI-89 Application

Application file used by Texas Instruments TI-89 graphing calculators; contains a small program that can be run on the calculator; can be uploaded using TI Connect calculator management software.

Programs that open TI-89 Application
Texas Instruments TI Connect
Texas Instruments TI Connect

How to solve problems with 89K files

  • Associate the 89K file extension with the correct application. On :
    Windows: Right click on any 89K file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.89K files". Mac: Right click (or Ctrl-click) the 89K file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .89K is TI-89 Application. Because only the current version supports the latest 89K file format. Search, therefore, e.g. on the Texas Instruments manufacturer website after an available .89K is TI-89 Application update.
  • To make sure that your 89K file is not corrupted or virus-infected, get the file again and scan it with antivirus software.