The File Extensions Database

.73C File Extension

  • Developer by: Texas Instruments
  • Category: Data Files

What is an .73C file?

.73C is TI-73 Constant File

Data file used by Texas Instruments graphing calculators; stores variables such as a single number or multiple number values; can be saved and edited using TI Connect, the utility used for managing applications on a TI graphing calculator.

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

How to solve problems with 73C files

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