The File Extensions Database


.G3A File Extension

  • Developer by: Casio
  • Category: Misc Files
  • Format: Binary

What is an .G3A file?

.G3A is Casio Prizm Add-in File

Add-in file used by the Casio Prizm, a graphing calculator; often used for adding small games or handy utilities; written in C or low-level assembly language; can be packaged using the mkg3a program and then uploaded to the storage card on the Prizm.

After copying G3A files to the root directory of the Prizm's storage (by connecting to a PC via USB), you can then see the add-in from the main menu when you start the Prizm.

Programs that open Casio Prizm Add-in File
Windows
mkg3a

How to solve problems with G3A files

  • Associate the G3A file extension with the correct application. On :
    Windows: Right click on any G3A file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.G3A files". Mac: Right click (or Ctrl-click) the G3A 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 .G3A is Casio Prizm Add-in File. Because only the current version supports the latest G3A file format. Search, therefore, e.g. on the Casio manufacturer website after an available .G3A is Casio Prizm Add-in File update.
  • To make sure that your G3A file is not corrupted or virus-infected, get the file again and scan it with antivirus software.