EFax
From Just Solve the File Format Problem
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(Created page with "{{DISPLAYTITLE:eFax}} {{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|efx}} |released= }} eFax is an internet fax software owned by J2 Global<ref>https...") |
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==File Identification== | ==File Identification== | ||
− | J2 Global's original JFAX service used a file format based on the [[TIFF-FX|TIFF-F]] format with a .JFX extension. Also | + | J2 Global's original JFAX service used a file format based on the [[TIFF-FX|TIFF-F]] format with a .JFX extension. Also known as J2 Messenger<ref>https://www.jconnect.com/supported-file-types</ref>. |
Version 3 & 4 of the .EFX file format is proprietary and begins with hex values {{magic|DCFE}} then 2 bytes of unknown values then 6 bytes <code>00000000FFFF</code>. | Version 3 & 4 of the .EFX file format is proprietary and begins with hex values {{magic|DCFE}} then 2 bytes of unknown values then 6 bytes <code>00000000FFFF</code>. |
Revision as of 22:29, 24 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 |
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.