Not sure you can do this from a System Admin session.

At least you can request the "Login as  any user" feature.

http://help.salesforce.com/apex/HTViewSolution?id=000089838&language=en_US

Hi ,

I guess you can copy the code over in Force.com IDE and check for the List Views in Metadata which are present in your Salesforce Organization. The XML for List Views is like this

<?xml version="1.0" encoding="UTF-8"?>
<CustomObject xmlns="http://soap.sforce.com/2006/04/metadata">
. . .
    <listViews>
        <fullName>All_Mileages</fullName>
        <filterScope>all</filterScope>
        <label>All Mileages</label>
    </listViews>
    <listViews>
        <fullName>My_Mileages</fullName>
        <booleanFilter>1 AND 2</booleanFilter>
        <columns>NAME</columns>
        <columns>CREATED_DATE</columns>
        <filterScope>mine</filterScope>
        <filters>
            <field>NAME</field>
            <operation>equals</operation>
            <value>Eric Bristow</value>
        </filters>
        <filters>
            <field>City__c</field>
            <operation>equals</operation>
            <value>Paris</value>
        </filters>
        <label>My Mileages</label>
    </listViews>
</CustomObject>


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