The File Extensions Database

.8XK File Extension

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

What is an .8XK file?

.8XK is TI-83 Plus Application Upgrade File

File used by the Texas Instruments TI-83 calculator, an advanced math and science graphing calculator; contains application upgrades, such as interactive study card and data manipulator programs; used for TI-83 Plus and TI-83 Plus Silver Edition models.

For operating system upgrades for the TI-83 Plus models, see .8XU files.

Programs that open TI-83 Plus Application Upgrade File
Texas Instruments TI Connect
Texas Instruments TI Connect

How to solve problems with 8XK files

  • Associate the 8XK file extension with the correct application. On :
    Windows: Right click on any 8XK file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.8XK files". Mac: Right click (or Ctrl-click) the 8XK 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 .8XK is TI-83 Plus Application Upgrade File. Because only the current version supports the latest 8XK file format. Search, therefore, e.g. on the Texas Instruments manufacturer website after an available .8XK is TI-83 Plus Application Upgrade File update.
  • To make sure that your 8XK file is not corrupted or virus-infected, get the file again and scan it with antivirus software.