-----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,
 Tss/2guZsvWXo+2PPU7l3394AX7Sxyc39YpZw6TVUTDlpaChYoTGyl4N9+uwgDne
 j6cXOT2at+vCc5vGZfK6Rg==

<SEC-DOCUMENT>0001199511-03-000007.txt : 20030723
<SEC-HEADER>0001199511-03-000007.hdr.sgml : 20030723
<ACCEPTANCE-DATETIME>20030604185734
ACCESSION NUMBER:		0001199511-03-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030604
FILED AS OF DATE:		20030605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHOEMAKER LINDA A
		CENTRAL INDEX KEY:			0001199511

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21103
		FILM NUMBER:		03733201

	MAIL ADDRESS:	
		STREET 1:		PO BOX 97057
		CITY:			REDMOND
		STATE:			WA
		ZIP:			98073

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADVANCED DIGITAL INFORMATION CORP
		CENTRAL INDEX KEY:			0000770403
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				911618616
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 97057
		STREET 2:		11431 WILLOWS RD
		CITY:			REDMOND
		STATE:			WA
		ZIP:			98073-9757
		BUSINESS PHONE:		4258818004

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 97057
		STREET 2:		P O BOX 97057
		CITY:			REDMOND
		STATE:			WA
		ZIP:			98073-9757
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-04</periodOfReport>
    <issuer>
        <issuerCik>0000770403</issuerCik>
        <issuerName>ADVANCED DIGITAL INFORMATION CORP</issuerName>
        <issuerTradingSymbol>ADIC</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001199511</rptOwnerCik>
            <rptOwnerName>SCHOEMAKER LINDA A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>SVP &amp;amp; General Counsel</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-06-04</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2000</value></transactionShares><transactionValue><value>10.8</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1354</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOw
nership></ownershipNature></nonDerivativeSecurity><footnotes/><ownerSignature><signatureName>Linda Schoemaker</signatureName><signatureDate>2003-06-04</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----