Get online support
There is no support on TPG site for IMAP settings in Outlook 2016 and POP wont support sending emails.
Hi @thenevilles20,
You may check out these links for reference:
Email Settings
https://www.tpg.com.au/support/emailsetting
TPG Email Settings
https://www.tpg.com.au/support/outlook_2010.php
Let us know should you require further assistance.
Thanks!