Opening an FXI File

The FXI file type is primarily associated with Casio fx-9750G Plus emulator.

FXI	File extension: FXI
	File type:	program file

What is an FXI file

FXI files mostly belong to Casio fx-9750G Plus emulator. Casio Calculator Programs: An FXI file can be a specialized file used to hold a Casio BASIC program that runs on calculators such as the Casio fx-9750G Plus. These files contain program code written for use with calculators or their emulators (for example, those that support the Casio FX-702P/FX-700P).
WatchGuard Firewall Configurations
Some FXI files are used as backup or configuration files for WatchGuard firewall systems like the WatchGuard Firebox. In this role, the files store system settings and configurations managed by software such as WatchGuard System Manager or WatchGuard Fireware.
Key Points compiled by FilExt.com:

If your file originates from a Casio calculator, it stores a program script intended to run on the device or its emulator. It is supported by tools available on the Casio education website.

If your file is from a WatchGuard device, it holds configuration or backup data used to restore firewall settings. Such files are handled by WatchGuard management applications available at WatchGuard.

FilExt.com tip: These two distinct uses mean that an FXI file must be opened with the correct software depending on its source. Do not assume compatibility between the two uses.

How to open FXI files

You need a suitable software like Casio fx-9750G Plus emulator to open an FXI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FXI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FXI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FXI Text Viewer

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Online File Viewer

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Programs that open and convert FXI files:

Casio fx-9750G Plus emulator
See the previous paragraphs to learn more about the main application. FXI files are often referred to as Casio fx-9750G Plus emulator developers because this type of file is primarily created or used by this software.
Casio (FX-Interface Format File) by Casio Computer Co., Ltd.
This file is used by the FX-Interface program from Yellow Computing. It is a binary file format. FX-Interface works with both the 1st and 2nd Generation calculator models, but not the 9860.
File-Ex (Configuration File) by Cottonwood Software
File-Ex automatically adds enhancements to the File Open and File Save dialogs of nearly all Windows applications. This file format is classified as Text.

Technical Data for FXI File Extension

File classification:

Developer

Related files:

bas, 8xp, fxp, fw, g1r, g1m, sqlite, txt, twf, g1a, cfg, bin

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: txtfile, FileType: Text Document, AppName: EditPad Pro

ProgramID: txtfile, FileType: Text Document, AppName: Notepad
EXEFile: NOTEPAD.EXE

ProgramID: txtfile, FileType: Text Document, AppName: Windows Notepad
EXEFile: NOTEPAD.EXE

ProgramID: txtfile
EXEFile: %SystemRoot%\system32\NOTEPAD.EXE %1

Show all 4 listings To Top

an fxi program file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with FXI files

Associate the FXI file extension with the correct application.
Update your software that should actually open program files. Because only the current version supports the latest FXI file format. Search, therefore, e.g. on the manufacturer website after an available Casio fx-9750G Plus emulator update.
To make sure that your FXI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .FXI file online - secure, fast, and no downloads needed.