.73B File

.73b is TI-73 Backup File

Key Features: .73B File Extension

What's on this Page

The 73b file extension is associated with the TI-73, a graphics programming calculator based on Zilog Z80, developed by Texas Instruments.

The 73b file stores some kind of backup from TI-73 calculators.

A 73b file extension is related to TI-73 calculator from Texas Instruments.

Use compatible tools to work with *.73b files.

Probably cannot be converted to anything else.

TI-73 Backup File - File openers

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.