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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=Qcow</id>
		<title>Qcow - Revision history</title>
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		<updated>2026-05-13T01:00:06Z</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=Qcow&amp;diff=45340&amp;oldid=prev</id>
		<title>Jsummers: /* Links */ Updating Forensics Wiki links</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=45340&amp;oldid=prev"/>
				<updated>2023-09-03T14:56:53Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Links: &lt;/span&gt; Updating Forensics Wiki links&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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				&lt;col class='diff-content' /&gt;
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			&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 14:56, 3 September 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&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;== Links ==&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;== Links ==&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;* [[Wikipedia:qcow|Wikipedia article]]&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;* [[Wikipedia:qcow|Wikipedia article]]&lt;/div&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;* [&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;http://www.forensicswiki.org/wiki/QCOW_Image_Format &lt;/del&gt;Forensics Wiki article]&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;* [&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{ForensicsWikiURL|qcow_image_format}} &lt;/ins&gt;Forensics Wiki article]&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;* [http://people.gnome.org/~markmc/qcow-image-format-version-1.html qcow image format documentation]&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;* [http://people.gnome.org/~markmc/qcow-image-format-version-1.html qcow image format documentation]&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;* [http://people.gnome.org/~markmc/qcow-image-format.html qcow2 image format documentation]&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;* [http://people.gnome.org/~markmc/qcow-image-format.html qcow2 image format documentation]&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;* [https://googledrive.com/host/0B3fBvzttpiiSSzlxcHFxRC0zYTA/QEMU%20Copy-On-Write%20file%20format.pdf Spec from libqcow project]&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;* [https://googledrive.com/host/0B3fBvzttpiiSSzlxcHFxRC0zYTA/QEMU%20Copy-On-Write%20file%20format.pdf Spec from libqcow project]&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;* [https://github.com/libyal/libqcow/wiki libqcow]&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;* [https://github.com/libyal/libqcow/wiki libqcow]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=27050&amp;oldid=prev</id>
		<title>Dan Tobias at 16:27, 10 December 2016</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=27050&amp;oldid=prev"/>
				<updated>2016-12-10T16:27:10Z</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 16:27, 10 December 2016&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&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;{{DISPLAYTITLE:qcow}}&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;{{FormatInfo&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;{{FormatInfo&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;|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;/table&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=21469&amp;oldid=prev</id>
		<title>Jsummers: Updated link</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=21469&amp;oldid=prev"/>
				<updated>2015-04-08T23:19:09Z</updated>
		
		<summary type="html">&lt;p&gt;Updated link&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 23:19, 8 April 2015&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&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;* [http://people.gnome.org/~markmc/qcow-image-format.html qcow2 image format documentation]&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;* [http://people.gnome.org/~markmc/qcow-image-format.html qcow2 image format documentation]&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;* [https://googledrive.com/host/0B3fBvzttpiiSSzlxcHFxRC0zYTA/QEMU%20Copy-On-Write%20file%20format.pdf Spec from libqcow project]&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;* [https://googledrive.com/host/0B3fBvzttpiiSSzlxcHFxRC0zYTA/QEMU%20Copy-On-Write%20file%20format.pdf Spec from libqcow project]&lt;/div&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;* [https://&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;code.google&lt;/del&gt;.com/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;p&lt;/del&gt;/libqcow/ libqcow]&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;* [https://&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;github&lt;/ins&gt;.com/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;libyal&lt;/ins&gt;/libqcow/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;wiki &lt;/ins&gt;libqcow]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=14346&amp;oldid=prev</id>
		<title>Dan Tobias: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Disk Image Formats |extensions={{ext|qcow}}, {{ext|qcow2}} }} qcow (QEMU Copy on Write) is a disk image format used with the QE...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Qcow&amp;diff=14346&amp;oldid=prev"/>
				<updated>2013-10-22T04:16:00Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Disk Image Formats |extensions={{ext|qcow}}, {{ext|qcow2}} }} &lt;a href=&quot;/wiki/Qcow&quot; title=&quot;Qcow&quot;&gt;qcow&lt;/a&gt; (QEMU Copy on Write) is a disk image format used with the QE...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Disk Image Formats&lt;br /&gt;
|extensions={{ext|qcow}}, {{ext|qcow2}}&lt;br /&gt;
}}&lt;br /&gt;
[[qcow]] (QEMU Copy on Write) is a disk image format used with the QEMU hosted virtual machine monitor. It can't be mounted directly, but needs a separate utility to read it.&lt;br /&gt;
&lt;br /&gt;
== File identification ==&lt;br /&gt;
&lt;br /&gt;
The starting bytes are (hex) &amp;lt;code&amp;gt;51 46 49 FB&amp;lt;/code&amp;gt; (ASCII &amp;lt;code&amp;gt;QFI.&amp;lt;/code&amp;gt;).&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [[Wikipedia:qcow|Wikipedia article]]&lt;br /&gt;
* [http://www.forensicswiki.org/wiki/QCOW_Image_Format Forensics Wiki article]&lt;br /&gt;
* [http://people.gnome.org/~markmc/qcow-image-format-version-1.html qcow image format documentation]&lt;br /&gt;
* [http://people.gnome.org/~markmc/qcow-image-format.html qcow2 image format documentation]&lt;br /&gt;
* [https://googledrive.com/host/0B3fBvzttpiiSSzlxcHFxRC0zYTA/QEMU%20Copy-On-Write%20file%20format.pdf Spec from libqcow project]&lt;br /&gt;
* [https://code.google.com/p/libqcow/ libqcow]&lt;/div&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

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