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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=EFax</id>
		<title>EFax - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=EFax"/>
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		<updated>2026-04-21T03:22:26Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.19.2</generator>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37754&amp;oldid=prev</id>
		<title>Dan Tobias at 01:33, 25 August 2020</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37754&amp;oldid=prev"/>
				<updated>2020-08-25T01:33:49Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 01:33, 25 August 2020&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 27:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 27:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== References ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== References ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Fax]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37735&amp;oldid=prev</id>
		<title>Dan Tobias at 23:18, 24 August 2020</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37735&amp;oldid=prev"/>
				<updated>2020-08-24T23:18:11Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 23:18, 24 August 2020&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|formattype=electronic&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|formattype=electronic&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|subcat=Graphics&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|subcat=Graphics&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;|subcat2=Fax formats&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|extensions={{ext|efx}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|extensions={{ext|efx}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|released=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|released=&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37734&amp;oldid=prev</id>
		<title>Thorsted: /* File Identification */</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37734&amp;oldid=prev"/>
				<updated>2020-08-24T22:29:59Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;File Identification&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 22:29, 24 August 2020&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;==File Identification==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;==File Identification==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;J2 Global's original JFAX service used a file format based on the [[TIFF-FX|TIFF-F]] format with a .JFX extension. Also &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;know &lt;/del&gt;as J2 Messenger&amp;lt;ref&amp;gt;https://www.jconnect.com/supported-file-types&amp;lt;/ref&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;J2 Global's original JFAX service used a file format based on the [[TIFF-FX|TIFF-F]] format with a .JFX extension. Also &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;known &lt;/ins&gt;as J2 Messenger&amp;lt;ref&amp;gt;https://www.jconnect.com/supported-file-types&amp;lt;/ref&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Version 3 &amp;amp; 4 of the .EFX file format is proprietary and begins with hex values {{magic|DCFE}} then 2 bytes of unknown values then 6 bytes &amp;lt;code&amp;gt;00000000FFFF&amp;lt;/code&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Version 3 &amp;amp; 4 of the .EFX file format is proprietary and begins with hex values {{magic|DCFE}} then 2 bytes of unknown values then 6 bytes &amp;lt;code&amp;gt;00000000FFFF&amp;lt;/code&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Thorsted</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37731&amp;oldid=prev</id>
		<title>Thorsted: Created page with &quot;{{DISPLAYTITLE:eFax}} {{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|efx}} |released= }}  eFax is an internet fax software owned by J2 Global&lt;ref&gt;https...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=EFax&amp;diff=37731&amp;oldid=prev"/>
				<updated>2020-08-24T21:16:10Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{DISPLAYTITLE:eFax}} {{FormatInfo |formattype=electronic |subcat=Graphics |extensions={{ext|efx}} |released= }}  eFax is an internet fax software owned by J2 Global&amp;lt;ref&amp;gt;https...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{DISPLAYTITLE:eFax}}&lt;br /&gt;
{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Graphics&lt;br /&gt;
|extensions={{ext|efx}}&lt;br /&gt;
|released=&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
eFax is an internet fax software owned by J2 Global&amp;lt;ref&amp;gt;https://en.wikipedia.org/wiki/J2_Global&amp;lt;/ref&amp;gt;. 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.&amp;lt;ref&amp;gt;https://www.efax.com/efax-help-center/efax-messenger/viewing-faxes&amp;lt;/ref&amp;gt;  &lt;br /&gt;
&lt;br /&gt;
==File Identification==&lt;br /&gt;
&lt;br /&gt;
J2 Global's original JFAX service used a file format based on the [[TIFF-FX|TIFF-F]] format with a .JFX extension. Also know as J2 Messenger&amp;lt;ref&amp;gt;https://www.jconnect.com/supported-file-types&amp;lt;/ref&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
Version 3 &amp;amp; 4 of the .EFX file format is proprietary and begins with hex values {{magic|DCFE}} then 2 bytes of unknown values then 6 bytes &amp;lt;code&amp;gt;00000000FFFF&amp;lt;/code&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
Version 5 is unknown.&lt;br /&gt;
&lt;br /&gt;
== Screenshots ==&lt;br /&gt;
[[Image:EFax-OpenMenu.png|250px]]&lt;br /&gt;
&lt;br /&gt;
==Software==&lt;br /&gt;
* [https://www.efax.com/efax-help-center/efax-messenger/download-efax-messenger Current Version of eFax Messenger]&lt;br /&gt;
* [https://web.archive.org/web/20171106091322/https://www.efax.com/efax-help-center/efax-messenger/download-efax-messenger Archived version of eFax v3 (Mac) &amp;amp; v4 (Windows)]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;/div&gt;</summary>
		<author><name>Thorsted</name></author>	</entry>

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