<SEC-DOCUMENT>0001023731-20-000115.txt : 20200812
<SEC-HEADER>0001023731-20-000115.hdr.sgml : 20200812
<ACCEPTANCE-DATETIME>20200812171545
ACCESSION NUMBER:		0001023731-20-000115
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200810
FILED AS OF DATE:		20200812
DATE AS OF CHANGE:		20200812

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ford Todd R
		CENTRAL INDEX KEY:			0001324478

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38312
		FILM NUMBER:		201096217

	MAIL ADDRESS:	
		STREET 1:		3457 BRYANT STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94306

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			8X8 INC /DE/
		CENTRAL INDEX KEY:			0001023731
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				770142404
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		675 CREEKSIDE WAY
		CITY:			CAMPBELL
		STATE:			CA
		ZIP:			95008
		BUSINESS PHONE:		4087271885

	MAIL ADDRESS:	
		STREET 1:		675 CREEKSIDE WAY
		CITY:			CAMPBELL
		STATE:			CA
		ZIP:			95008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NETERGY NETWORKS INC
		DATE OF NAME CHANGE:	20000912

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	8X8 INC
		DATE OF NAME CHANGE:	19961023
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159726693133073.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-08-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001023731</issuerCik>
        <issuerName>8X8 INC /DE/</issuerName>
        <issuerTradingSymbol>EGHT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001324478</rptOwnerCik>
            <rptOwnerName>Ford Todd R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 8X8, INC</rptOwnerStreet1>
            <rptOwnerStreet2>675 CREEKSIDE WAY</rptOwnerStreet2>
            <rptOwnerCity>CAMPBELL</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95008</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11146</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23922</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Award of Restricted Stock Units shall vest as to 100% of the shares subject to the award on the later of (a) the date of the director's completion of his or her year of Board service or (b) 12 months from the date of grant of such award, in each case subject to the director's completion of his or her year of Board service</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Cheriese M. Dickman as Attorney-in Fact for Todd R Ford</signatureName>
        <signatureDate>2020-08-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
