File Extension Database

Open EFX File

EFX files have two different kinds of uses, namely:

eFax Document

In this case, the EFX file is a document created by eFax, a service that sends and receives faxes as attachments via email.

The EFX file contains the text attached to the email and the body of the email, and is susceptible to being converted to PDF or TIF files using eFax Messenger.

EFX documents can come from more than fifty file types or email attachments in eFax software, including PDF, DOC, JPG, XLS, and HTML.

Jedi Knight Effects File

For Jedi Knight, EFX is an effects file used by Star Wars Jedi Knight: Jedi Academy, a Star Wars Jedi game in which the player chooses to follow either the light side or the dark side.

The EFX file, in this use case, contains information that describes different effects that occur throughout the game.

The EFX file is used to store information about a variety of effects such as when a lightsaber hits another lightsaber, a lightsaber hits a person, or a lightsaber hits an object.

Other effects contained in the EFX file include gunshots, bombs, and film-related effects such as lightning bolts.

EFXs can also be opened and edited to create custom effects.

Software to open EFX files

To open and operate on an EFX file it is necessary to make sure of the type of format, and then have one of the following software packages:

How Can I Open EFX File on Windows

We researched and learned that the best way to open EFX file is to find a EFX file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a EFX file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open EFX file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as EFX file opener then try to search online for "EFX viewer", "application to open EFX file" or "open EFX file" queries in the search engine you like.
Install the application you found and check if it can open EFX file

How Can I Open EFX File on Mac OS

We recommend to find a EFX file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a EFX file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with EFX file.
If you know the Mac OS application which can work as EFX file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open EFX file in it.
If you don't know the application which can open EFX file then try to search for "EFX viewer", "application to open EFX file" or "read EFX file" queries in the online search engine you like.
Install the application you found and check if it can read EFX file

How Can I Open EFX File on Android

If you downloaded a EFX file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded EFX file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "EFX".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "EFX viewer", "EFX file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open EFX File on iPhone or iPad

To open EFX File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the EFX file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "EFX". This way you can find apps which can open EFX files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "EFX viewer" or "EFX file" online in your favorite search engine.

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