Outlook Mac 2011- IMAP issue

Outlook Mac 2011- IMAP issue

I am having some issues with my email client. It times out for IMAP . Program I am using is outlook for mac 2011. i get authencation errors.

why does it not download all emails correctly either. its got to keep connecting. it does this in apple mail too cause i tired apple mail. IMAP just doesnt seem as fast as it should be