File Extension EFX

.EFX File

File extension: EFX
File type: Fax Document


Notes about the EFX file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The EFX file type is primarily associated with 'eFax' by j2 Global Communications, Inc.. Free eFax Messenger Software allows you to view faxes as email attachments and send faxes via email, desktop applications or Web interface. Free eFax service to receive faxes. Paid service allows you to send as well. Used to be JetFax in 1999.

Detailed information for file extension EFX:


Primary association: eFax
Company: j2 Global Communications, Inc.
Mime type: image/efax
Identifying characters Hex: DC FE
Program ID: EFXFileType
Related links: eFax Free, eFax Plus
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension EFX click this link to expand/hide the additional area.

System Info for File Extension .EFX

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: eFaxMessenger.Document.3.2
EXEFile: %ProgramFiles%\eFax Messenger Plus 3.2\J2GPlus.exe %1

ProgramID: eFaxMessenger.Document.3.3
EXEFile: %ProgramFiles%\eFax Messenger Plus 3.3\J2GPlus.exe %1

ProgramID: eFaxMessenger.Document.3.4
EXEFile: %ProgramFiles%\eFax Messenger 3.4\J2GPlus.exe %1

ProgramID: EFXfile
EXEFile: %ProgramFiles%\Email Effects\Email Effects.exe %1

ProgramID: EFXFileType
EXEFile: %ProgramFiles%\COMMON~1\efax\HotPls32.exe %1

ProgramID: EFXFileType
EXEFile: %SystemRoot%\eFaxView.exe %1

ProgramID: j2Messenger.Document.3.3
EXEFile: %ProgramFiles%\j2 Messenger Plus 3.3\J2GPlus.exe %1

ProgramID: eFaxMessenger.Document.3.5
EXEFile: %ProgramFiles%\eFax Messenger 3.5\J2GPlus.exe %1

ProgramID: j2Messenger.Document.3.5
EXEFile: %ProgramFiles%\j2 Messenger 3.5\J2GPlus.exe %1

ProgramID: eFaxMessenger.Document.4.0
EXEFile: %ProgramFiles%\eFax Messenger 4.0\J2GPlus.exe %1

ProgramID: eFaxMessenger.Document.4.1
EXEFile: %ProgramFiles%\eFax Messenger 4.1\J2GPlus.exe

ProgramID: j2Messenger.Document.4.0
EXEFile: %ProgramFiles%\j2 Messenger 4.0\J2GPlus.exe

ProgramID: eFaxMessenger.Document.4.2
EXEFile: %ProgramFiles%\eFax Messenger 4.2\J2GPlus.exe

ProgramID: EffectFileType
EXEFile: %ProgramFiles%\PostDeko\bin\postdknt.exe

ProgramID: j2Messenger.Document.4.2
EXEFile: %ProgramFiles%\j2 Messenger 4.2\J2GPlus.exe


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