There are two different ways that you can delete the saved/cached versions of email addresses. It is possible to delete these entries individually or delete the whole repository. You may have to do the below if:
NOTE: When deleting your entire nickname cache this will delete all suggested email addresses being held. This includes email addresses that you may use that are not in your contacts. If you are unsure if you are wishing to delete the entire cache, please follow the instructions above to delete them as needed.
If you require further information or assistance please contact the IT Help Desk on (08) 830 25000 or 1300 558 654.