The File Extensions Database

.73B File Extension

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

What is an .73B file?

.73B is TI-73 Backup File

Backup file created by TI Connect, a program used for interfacing with Texas Instruments graphing calculators; saves all device data for a TI-73 device; can be used to restore the calculator state when the backup was performed.

Programs that open TI-73 Backup File
Texas Instruments TI Connect
Texas Instruments TI Connect

How to solve problems with 73B files

  • Associate the 73B file extension with the correct application. On :
    Windows: Right click on any 73B file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.73B files". Mac: Right click (or Ctrl-click) the 73B 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 .73B is TI-73 Backup File. Because only the current version supports the latest 73B file format. Search, therefore, e.g. on the Texas Instruments manufacturer website after an available .73B is TI-73 Backup File update.
  • To make sure that your 73B file is not corrupted or virus-infected, get the file again and scan it with antivirus software.