Files with efx file extension can be found as fax documents from Everex eFax program.

There are 2 other file types using
the EFX file extension!

efx icon.efx - Quake 3 Arena effect file

efx icon.efx - Ensoniq instrument data

Detailed description

Software that open efx file

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EFX file extension - Everex eFax fax document

What is efx file? How to open efx files?

File type specification:

Document file type icon Document file type

The efx file extension is related to Everex eFax. EFX is one of the three file formats used by the eFAX

These files can be read with free eFax Messenger software form j2 Global.

Updated: January 3, 2025

The default software associated to open efx file:

eFax picture or screenshot

j2 Global, Inc. logoeFax  Microsoft Windows software

Company or developer:
j2 Global, Inc.

eFax is faxing software for Windows used to Send and receive faxes as email attachments. With eFax, you'll get a local or toll-free fax number that's tied to your email.

Help how to open:

You can view these documents using eFax Messenger program.

How to convert:

Use compatible tools to export *.efx files to other formats (pdf, tif, doc, jpg, xls, html).

List of software applications associated to the .efx file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open efx file, edit efx file, convert efx file, view efx file, play efx file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting efx files.

Software that open efx file - Everex eFax fax document

Programs supporting the exension efx on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about eFax for open efx file action.

Microsoft Windows:

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