Outlook 2003/2007 attributes Outlook 2003/2007 request the following attributes when querying an LDAP (based off of observations of queries to an LDAP server) server: cn commonName mail roleOccupant display-name displayname sn surname co organizationName o givenName legacyExchangeDN objectClass uid (this shows up as "Alias") mailNickname title company physicalDeliveryOfficeName telephoneNumber The following are queried in addition when a specific contact's properties are viewed: initials postalAddress streetAddress l st postalCode ou organizationalUnitName department secretary