-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OwwzJl3MIqnIFabENIZwKRt7w5L4SPFLk7YF8e42Yn4QFxntdu1aR3EKsQJGYPR7
 xHCaNO6CKvR8hRMp6Y6Khg==

<SEC-DOCUMENT>0000891178-08-000008.txt : 20080204
<SEC-HEADER>0000891178-08-000008.hdr.sgml : 20080204
<ACCEPTANCE-DATETIME>20080204192436
ACCESSION NUMBER:		0000891178-08-000008
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080131
FILED AS OF DATE:		20080204
DATE AS OF CHANGE:		20080204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUFFELL MARK A
		CENTRAL INDEX KEY:			0001251574

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20740
		FILM NUMBER:		08573805

	BUSINESS ADDRESS:	
		STREET 1:		195 TECHNOLOGY DRIVE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		9495854394

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>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-01-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251574</rptOwnerCik>
            <rptOwnerName>DUFFELL MARK A</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>President &amp; COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>8000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>274716</value>
                    <footnoteId id="F2"/>
                </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.  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>
    </footnotes>

    <ownerSignature>
        <signatureName>//John D. Ireland, Attorney in Fact</signatureName>
        <signatureDate>2008-01-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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