EFax
From Just Solve the File Format Problem
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|formattype=electronic | |formattype=electronic | ||
|subcat=Graphics | |subcat=Graphics | ||
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|extensions={{ext|efx}} | |extensions={{ext|efx}} | ||
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== References == | == References == | ||
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+ | [[Category:Fax]] |
Latest revision as of 01:33, 25 August 2020
eFax is an internet fax software owned by J2 Global[1]. J2 Global was founded in 1995 as JFAX.com. eFax Messenger is software which can send and receive image files in the proprietary .EFX file format.[2]
Contents |
[edit] File Identification
J2 Global's original JFAX service used a file format based on the TIFF-F format with a .JFX extension. Also known as J2 Messenger[3].
Version 3 & 4 of the .EFX file format is proprietary and begins with hex values DCFE
then 2 bytes of unknown values then 6 bytes 00000000FFFF
.
Version 5 is unknown.