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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999995-06-002663.txt : 20061213
<SEC-HEADER>9999999995-06-002663.hdr.sgml : 20061213
<ACCEPTANCE-DATETIME>20061213001518
ACCESSION NUMBER:		9999999995-06-002663
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20061212
DATE AS OF CHANGE:		20061213
EFFECTIVENESS DATE:		20061212

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Guidance Software, Inc.
		CENTRAL INDEX KEY:			0001375557
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				954661210
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-137381
		FILM NUMBER:		061272859

	BUSINESS ADDRESS:	
		STREET 1:		215 NORTH MARENGO AVENUE
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101
		BUSINESS PHONE:		6262299191

	MAIL ADDRESS:	
		STREET 1:		215 NORTH MARENGO AVENUE
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
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    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

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