-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TCWIimOOOtXMt53nlD/L7JgA3VelW54gaC30k4ZLMcu2mG46yJGRe7Olvz/dzdcF
 7ckEeUTsVcCZUKehiWE3Fw==

<SEC-DOCUMENT>0000891178-09-000001.txt : 20090204
<SEC-HEADER>0000891178-09-000001.hdr.sgml : 20090204
<ACCEPTANCE-DATETIME>20090204184443
ACCESSION NUMBER:		0000891178-09-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090202
FILED AS OF DATE:		20090204
DATE AS OF CHANGE:		20090204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLARK RUSSELL C.
		CENTRAL INDEX KEY:			0001437701

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20740
		FILM NUMBER:		09569586

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		949-585-4506

	MAIL ADDRESS:	
		STREET 1:		18200 VON KARMAN
		STREET 2:		SUITE 1000
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EPICOR SOFTWARE CORP
		CENTRAL INDEX KEY:			0000891178
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				330277592
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		195 TECHNOLOGY DR
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92718-2402
		BUSINESS PHONE:		9495854000

	MAIL ADDRESS:	
		STREET 1:		195 TECHNOLOGY DR
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92718-2402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PLATINUM SOFTWARE CORP
		DATE OF NAME CHANGE:	19940715
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000891178</issuerCik>
        <issuerName>EPICOR SOFTWARE CORP</issuerName>
        <issuerTradingSymbol>EPIC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001437701</rptOwnerCik>
            <rptOwnerName>CLARK RUSSELL C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>18200 VON KARMAN</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1000</rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP/Principal Accting Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>113671</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Conmmon Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>268</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>113403</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Grant to recipient in a transaction exempt under rule 16b-3(e).  The shares are subject to a lapsing right of forfeiture in favor of the Company with such right lapsing as to all shares on December 31, 2009 subject to recipient's continued employment with the issuer on such date.  Reporting person is deemed to have paid par value, $0.001 per share for each share of restricted stock for service rendered.</footnote>
        <footnote id="F2">Includes restricted shares subject to lapsing right of forfeiture.</footnote>
        <footnote id="F3">In an exempt disposition to the issuer under rule 16b-3(e) and pursuant to a long standing election by recipient, the recipient remitted shares to the issuer in connection with the satisfaction of withholding tax obligation arising out of the lifting of the restrictions on previously reported restricted stock grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>//John D. Ireland, Attorney in Fact</signatureName>
        <signatureDate>2009-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----